pinecone/core-2020-05-10-deduplication huggingface dataset:
Increase of the Energy Necessary to Probe Ultraviolet Theories Due to
  the Presence of a Strong Magnetic Field

We use the gauge gravity correspondence to study the renormalization group
flow of a double trace fermionic operator in a quark-gluon plasma subject to
the influence of a strong magnetic field and compare it with the results for
the case at zero temperature and no magnetic field, where the flow between two
fixed points is observed. Our results show that the energy necessary to access
the physics of the ultraviolet theory increases with the intensity of the
magnetic field under which the processes happen. We provide arguments to
support that this increase is scheme independent, and to exhibit further
evidence we do a very simple calculation showing that the dimensional reduction
expected in the gauge theory in this scenario is effective up to an energy
scale that grows with the strength of such a background field. We also show
that independently of the renormalization scheme, the coupling of the double
trace operators in the ultraviolet fixed point increases with the intensity of
the background field. These effects combined can change both, the processes
that are expected to be involved in a collision experiment at a given energy
and the azimuthal anisotropy of the measurements resulting of them.Comment: 23 pages, 10 figures. Added section about renormalization scheme
  independenc
Mass-deformed M2 branes in Stenzel space

We obtain finite-temperature M2 black branes in 11-dimensional supergravity,
in a $G_4$-flux background whose self-dual part approaches a solution of
Cveti\v{c}, Gibbons, L\"u, and Pope, based upon Stenzel's family of Ricci-flat
K\"ahler deformed cones. Our solutions are asymptotically $AdS_4$ times a
7-dimensional Stiefel manifold $V_{5,2}$, and the branes are ``smeared'' to
retain $SO(5)$ symmetry in the internal space. The solutions represent a mass
deformation of the corresponding dual $CFT_3$, whose full description is at
this time only partially-understood. We investigate the possibility of a
confinement/de-confinement phase transition analogous to the $AdS_5 \times S^5$
case, and a possible Gregory-Laflamme type instability which could lead to
polarised brane solutions which break $SO(5)$. We discuss possible consequences
for AdS/CFT and the KKLT cosmological uplift mechanism.Comment: 33 pages, 3 figure
One-loop considerations for coexisting vacua in the CP conserving 2HDM

The Two-Higgs-Doublet model (2HDM) is a simple and viable extension of the
Standard Model (SM) with a scalar potential complex enough that two minima may
coexist. In this work we investigate if the procedure to identify our vacuum as
the global minimum by tree-level formulas carries over to the one-loop
corrected potential. In the CP conserving case, we identify two distinct types
of coexisting minima --- the regular ones (moderate $\tan\beta$) and the
non-regular ones (small or large $\tan\beta$) --- and conclude that the tree
level expectation fails only for the non-regular type of coexisting minima. For
the regular type, the sign of $m^2_{12}$ already precisely indicates which
minima is the global one, even at one-loop.Comment: to appear in JHE
O(N) and O(N) and O(N)

Three related analyses of $\phi^4$ theory with $O(N)$ symmetry are presented.
In the first, we review the $O(N)$ model over the $p$-adic numbers and the
discrete renormalization group transformations which can be understood as spin
blocking in an ultrametric context. We demonstrate the existence of a
Wilson-Fisher fixed point using an $\epsilon$ expansion, and we show how to
obtain leading order results for the anomalous dimensions of low dimension
operators near the fixed point. Along the way, we note an important aspect of
ultrametric field theories, which is a non-renormalization theorem for kinetic
terms. In the second analysis, we employ large $N$ methods to establish
formulas for anomalous dimensions which are valid equally for field theories
over the $p$-adic numbers and field theories on $\mathbb{R}^n$. Results for
anomalous dimensions agree between the first and second analyses when they can
be meaningfully compared. In the third analysis, we consider higher derivative
versions of the $O(N)$ model on $\mathbb{R}^n$, the simplest of which has been
studied in connection with spatially modulated phases. Our general formula for
anomalous dimensions can still be applied. Analogies with two-derivative
theories hint at the existence of some interesting unconventional field
theories in four real Euclidean dimensions.Comment: 44 pages, 8 figure
Zero-Range Effective Field Theory for Resonant Wino Dark Matter I.
  Framework

The most dramatic "Sommerfeld enhancements" of neutral-wino-pair annihilation
occur when the wino mass is near a critical value where there is a zero-energy
S-wave resonance at the neutral-wino-pair threshold. Near such a critical mass,
low-energy winos can be described by a zero-range effective field theory in
which the winos interact nonperturbatively through a contact interaction. The
effective field theory is controlled by a renormalization-group fixed point at
which the neutral and charged winos are degenerate in mass and their scattering
length is infinite. The parameters of the zero-range effective field theory can
be determined by matching wino-wino scattering amplitudes calculated by solving
the Schr\"odinger equation for winos interacting through a potential due to the
exchange of weak gauge bosons. If the wino mass is larger than the critical
value, the resonance is a wino-pair bound state. The power of the zero-range
effective field theory is illustrated by calculating the rate for formation of
the bound state in the collision of two neutral winos through the emission of
two soft photons.Comment: 63 pages, 22 figures, Corrected typos in version
Testing Minimal Flavor Violation in Leptoquark Models of the
  $R_{K^{(*)}}$ Anomaly

The $R_{K^{(*)}}$ anomaly can be explained by tree level exchange of
leptoquarks. We study the consequences of subjecting these models to the
principle of minimal flavor violation (MFV). We consider MFV in the linear
regime, and take the charged lepton Yukawa matrix to be the only spurion that
violates lepton flavor universality. We find that a combination of constraints
from a variety of processes -- $b\to s\mu\mu$, $b\to s\tau\tau$, $b\to
s\nu\nu$, $b\bar b\to\tau\tau$ and $b\to c\tau\nu$ -- excludes MFV in these
models.Comment: Version published in JHEP, 15 pages, 1 figur
Double Trace Interfaces

We introduce and study renormalization group interfaces between two
holographic conformal theories which are related by deformation by a scalar
double trace operator. At leading order in the 1/N expansion, we derive
expressions for the two point correlation functions of the scalar, as well as
the spectrum of operators living on the interface. We also compute the
interface contribution to the sphere partition function, which in two
dimensions gives the boundary g factor. Checks of our proposal include
reproducing the g factor and some defect overlap coefficients of Gaiotto's RG
interfaces at large N, and the two-point correlation function whenever
conformal perturbation theory is valid.Comment: 59 pages, 2 figure
Reconstruction of an AdS Radiation/Boson Star Bulk Geometry Using
  Light-cone Cuts

Light-cone cuts have recently been proposed as a method to reconstruct the
conformal metric of a holographic spacetime. We explore how additional
information about the bulk geometry gets encoded in the structure of these
light-cone cuts. In particular, we study how the hyperbolic angle related to a
cusp in the light-cone cut encodes information about the matter content of the
spacetime. We provide an explicit numerical example reconstructing the metric
for a 4- dimensional spacetime composed by the superposition of a boson star
and a gas of radiation in AdS.Comment: 18 pages, 9 figure
A proposal for (0,2) mirrors of toric varieties

In this paper we propose (0,2) mirrors for general Fano toric varieties with
special tangent bundle deformations, corresponding to subsets of toric
deformations. Our mirrors are of the form of (B/2-twisted) (0,2)
Landau-Ginzburg models, matching Hori-Vafa mirrors on the (2,2) locus. We
compare our predictions to (0,2) mirrors obtained by Chen et al for certain
examples of toric varieties, and find that they match. We also briefly outline
conjectures for analogous results for hypersurfaces in Fano toric varieties.
Our methods utilize results from supersymmetric localization, which allows us
to incidentally gain occasional further insights into GLSM-based (2,2) mirror
constructions. For example, we explicitly verify that closed-string correlation
functions of the original A-twisted GLSM match those of the mirror B-twisted
Landau-Ginzburg model, as well as (0,2) deformations thereof.Comment: 52 pages, LaTeX; v2: miscellaneous writing updates, typos fixe
Continuous-spin field propagator and interaction with matter

Action principles for the single and double valued continuous-spin
representations of the Poincare group have been recently proposed in a
Segal-like formulation. We address three related issues: First, we explain how
to obtain these actions directly from the Fronsdal-like and Fang-Fronsdal-like
equations by solving the traceless constraints in Fourier space. Second, we
introduce a current, similar to the one of Berends, Burgers and Van Dam, which
is bilinear in a pair of scalar matter fields, to which the bosonic
continuous-spin field can couple minimally. Third, we investigate the current
exchange mediated by a continuous-spin particle obtained from this action
principle and investigate whether it propagates the right degrees of freedom,
and whether it reproduces the known result for massless higher-spin fields in
the helicity limit.Comment: 31 pages, no figur
General formulae for dipole Wilson line correlators with the Color Glass
  Condensate

We present general formulae to compute Wilson line correlators with the Color
Glass Condensate described by the McLerran-Venugopalan model. We explicitly
construct a complete and non-orthogonal set of color-singlet bases and write
matrix elements down, so that the exponential of the matrix leads to the Wilson
line correlators. We further develop a systematic perturbative expansion of
dipole Wilson line correlators in terms of $1/N_c$ where $N_c$ is the color
number. As a phenomenological application we calculate the flow harmonics
$v_n\{m\}$ in the dipole model and discuss the $N_c$ scaling.Comment: 19 pages, 4 figure
E_8 orbits of IR dualities

We discuss USp(2n) supersymmetric models with eight fundamental fields and a
field in the antisymmetric representation. Turning on the most generic
superpotentials, coupling pairs of fundamental fields to powers of the
antisymmetric field while preserving an R symmetry, we give evidence for the
statement that the models are connected by a large network of dualities which
can be organized into orbits of the Weyl group of E_8. We make also several
curious observations about such models. In particular, we argue that a USp(2m)
model with the addition of singlet fields and even rank m flows in the IR to a
CFT with E_7 U(1) symmetry. We also discuss an infinite number of duals for the
USp(2) theory with eight fundamentals and no superpotential.Comment: 15 pages, harvmac. v2: added reference
Structure constants of operators on the Wilson loop from integrability

We study structure constants of local operators inserted on the Wilson loop
in ${\cal N}=4$ super Yang-Mills theory. We compute the structure constants in
the SU(2) sector at tree level using the correspondence between operators on
the Wilson loop and the open spin chain. The results are interpreted as the
summation over all possible ways of changing the signs of magnon momenta in the
hexagon form factors. This is consistent with a holographic description of the
correlator as the cubic open string vertex, which consists of one hexagonal
patch and three boundaries. We then conjecture that a similar expression should
hold also at finite coupling.Comment: 38 pages; v3: JHEP published versio
Multilepton signals of heavier electroweakinos at the LHC

As sequel to a recent paper we examine the phenomenology of the full
electroweakino sector of the pMSSM without invoking the adhoc but often
employed assumption that the heavier ones are decoupled. We identify several
generic models which illustrate the importance of the heavier electroweakinos
and constrain them with the LHC $3l$ + ${E\!\!\!\!/_T}$ data. The constraints
are usually stronger than that for decoupled heavier electroweakinos indicating
that the LHC data is already sensitive to their presence. We also take into
account the constraints from the observed dark matter relic density of the
universe and precisely measured anomalous magnetic moment of the muon. Using
the allowed parameter space thus obtained, we show that in addition to the
conventional $3l$ + ${E\!\!\!\!/_T}$ signatures novel multilepton ($ml$) +
${E\!\!\!\!/_T}$ final states with $m > 3$, which are not viable in models with
lighter electroweakinos only, can be observed before the next long shut down of
the LHC.Comment: 40 pages, 5 figure
Superposition induced topology changes in quantum gravity

We show that superpositions of classical states in quantum gravity with fixed
topology can lead to new classical states with a different topology. We study
this phenomenon in a particular limit of the LLM geometries. In this limit, the
UV complete minisuperspace of allowed quantum states is exactly given by the
Hilbert space of a free chiral boson in two dimensions. We construct this
chiral boson purely in terms of combinatorial objects associated with the
permutation group. As a byproduct of this analysis, we re-derive the
Murnaghan-Nakayama rule for characters of the permutation group. We are able to
express this rule in terms of operator relations for raising and lowering
operators on the Hilbert space of states in a free fermion basis. Our
construction provides a preferred notion of bulk locality by studying an
appropriate notion of D-brane state generating functions. We describe how
multi-droplet LLM geometries with different topologies give new classical
limits of the free chiral boson, even though they can be written as
superpositions of coherent states with trivial topology. As a consequence,
topology cannot be accessed by a single operator measurement in this quantum
system. We study other non-linear measurements in the quantum wave-function,
based on uncertainty and entanglement between modes of the chiral boson, that
can be used as order parameters to measure the topology of such states.Comment: 87 pages (incl. appendices). v2: updated reference
Subleading Soft Graviton Theorem for Loop Amplitudes

Superstring field theory gives expressions for heterotic and type II string
loop amplitudes that are free from ultraviolet and infrared divergences when
the number of non-compact space-time dimensions is five or more. We prove the
subleading soft graviton theorem in these theories to all orders in
perturbation theory for S-matrix elements of arbitrary number of finite energy
external states but only one external soft graviton. We also prove the leading
soft graviton theorem for arbitrary number of finite energy external states and
arbitrary number of soft gravitons. Since our analysis is based on general
properties of one particle irreducible effective action, the results are valid
in any theory of quantum gravity that gives finite result for the S-matrix
order by order in perturbation theory without violating general coordinate
invariance.Comment: LaTeX file, 20 pages; v2: added explanation for dropping terms
  involving Christoffel symbols from the covariant derivatives; v3: references
  updated, other minor change
Exotic matter on singular divisors in F-theory

We analyze exotic matter representations that arise on singular seven-brane
configurations in F-theory. We develop a general framework for analyzing such
representations, and work out explicit descriptions for models with matter in
the 2-index and 3-index symmetric representations of SU($N$) and SU(2)
respectively, associated with double and triple point singularities in the
seven-brane locus. These matter representations are associated with Weierstrass
models whose discriminants vanish to high order thanks to nontrivial
cancellations possible only in the presence of a non-UFD algebraic structure.
This structure can be described using the normalization of the ring of
intrinsic local functions on a singular divisor. We consider the connection
between geometric constraints on singular curves and corresponding constraints
on the low-energy spectrum of 6D theories, identifying some new examples of
apparent "swampland" theories that cannot be realized in F-theory but have no
apparent low-energy inconsistency.Comment: 71 page
Non-perturbative reheating and Nnaturalness

We study models in which reheating happens only through non-perturbative
processes. The energy transferred can be exponentially suppressed unless the
inflaton is coupled to a particle with a parametrically small mass.
Additionally, in some models a light scalar with a negative mass squared
parameter leads to much more efficient reheating than one with a positive mass
squared of the same magnitude. If a theory contains many sectors similar to the
Standard Model coupled to the inflaton via their Higgses, such dynamics can
realise the Nnaturalness solution to the hierarchy problem. A sector containing
a light Higgs with a non-zero vacuum expectation value is dominantly reheated
and there is little energy transferred to the other sectors, consistent with
cosmological constraints. The inflaton must decouple from other particles and
have a flat potential at large field values, in which case the visible sector
UV cutoff can be raised to 10 TeV in a simple model.Comment: 22 pages, 4 figure
Quiver Theories and Formulae for Nilpotent Orbits of Exceptional
  Algebras

We treat the topic of the closures of the nilpotent orbits of the Lie
algebras of Exceptional groups through their descriptions as moduli spaces, in
terms of Hilbert series and the highest weight generating functions for their
representation content. We extend the set of known Coulomb branch quiver theory
constructions for Exceptional group minimal nilpotent orbits, or reduced single
instanton moduli spaces, to include all orbits of Characteristic Height 2,
drawing on extended Dynkin diagrams and the unitary monopole formula. We also
present a representation theoretic formula, based on localisation methods, for
the normal nilpotent orbits of the Lie algebras of any Classical or Exceptional
group. We analyse lower dimensioned Exceptional group nilpotent orbits in terms
of Hilbert series and the Highest Weight Generating functions for their
decompositions into characters of irreducible representations and/or Hall
Littlewood polynomials. We investigate the relationships between the moduli
spaces describing different nilpotent orbits and propose candidates for the
constructions of some non-normal nilpotent orbits of Exceptional algebras.Comment: 87 pages, 4 figure
Mass Dependence of Higgs Production at Large Transverse Momentum

The transverse momentum distribution of the Higgs at large $P_T$ is
complicated by its dependence on three important energy scales: $P_T$, the top
quark mass $m_t$, and the Higgs mass $m_H$. A strategy for simplifying the
calculation of the cross section at large $P_T$ is to calculate only the
leading terms in its expansion in $m_t^2/P_T^2$ and/or $m_H^2/P_T^2$. The
expansion of the cross section in inverse powers of $P_T$ is complicated by
logarithms of $P_T$ and by mass singularities. In this paper, we consider the
top-quark loop contribution to the subprocess $q\bar{q}\to H+g$ at leading
order in $\alpha_s$. We show that the leading power of $1/P_T^2$ can be
expressed in the form of a factorization formula that separates the large scale
$P_T$ from the scale of the masses. All the dependence on $m_t$ and $m_H$ can
be factorized into a distribution amplitude for $t \bar t$ in the Higgs, a
distribution amplitude for $t \bar t$ in a real gluon, and an endpoint
contribution. The factorization formula can be used to simplify calculations of
the $P_T$ distribution at large $P_T$ to next-to-leading order in $\alpha_s$.Comment: 49 pages, 8 figure
Vacuum Degeneracy and Conformal Mass in Lovelock AdS Gravity

It is shown that the notion of Conformal Mass can be defined within a given
anti-de Sitter (AdS) branch of a Lovelock gravity theory as long as the
corresponding vacuum is not degenerate. Indeed, conserved charges obtained by
the addition of Kounterterms to the bulk action turn out to be proportional to
the electric part of the Weyl tensor, when the fall-off of a generic solution
in that AdS branch is considered. The factor of proportionality is the
degeneracy condition for the vacua in the particular Lovelock AdS theory under
study. This last feature explains the obstruction to define Conformal Mass in
the degenerate case.Comment: 22 pages, no figures, a few references adde
Thermodynamics with Pressure and Volume under Charged Particle
  Absorption

We investigate the variation of the charged anti-de Sitter black hole under
charged particle absorption by considering thermodynamic volume. The variation
exactly corresponds to that expected as the first law of thermodynamics.
Nevertheless, we find the decrease of the Bekenstein-Hawking entropy for
extremal and near-extremal black holes under the absorption to be an
irreversible process. This violation of the second law of thermodynamics is
only found in the case considering thermodynamic volume. We test the weak
cosmic censorship conjecture affected by the violation. Fortunately, the
conjecture is still valid. However, extremal and near-extremal black holes do
not change their configurations under the absorption. This is quite different
from the case without thermodynamic volume.Comment: 14 pages, 5 figure
Pauli-Lubanski limit and stress-energy tensor for infinite-spin fields

String-localized quantum fields transforming in Wigner's infinite-spin
representations were introduced by Mund, Schroer and Yngvason. We construct
these fields as limits of fields of finite mass $m\to 0$ and finite spin
$s\to\infty$. We determine a string-localized infinite-spin quantum
stress-energy tensor with a novel prescription that does not refer to a
classical Lagrangean.Comment: v3: 35 pages. Version as published. v2: Two substantial mistakes
  fixed, Sect. 2, 3, and 4 more appropriately organize
Permutation Orbifolds and Chaos

We study out-of-time-ordered correlation functions in permutation orbifolds
at large central charge. We show that they do not decay at late times for
arbitrary choices of low-dimension operators, indicating that permutation
orbifolds are non-chaotic theories. This is in agreement with the fact they are
free discrete gauge theories and should be integrable rather than chaotic. We
comment on the early-time behaviour of the correlators as well as the
deformation to strong coupling.Comment: 15 pages, v2: more references and additional comments in the
  introductio