 They define analogues of magnetic field h and the inverse temperature (\beta) in Ising model\beta*\beta* \beta*  . Sparks terminate via a phase transition known as "hpolarity reversal" and the leak emerges when hfails to change its sign.
<fluency>  They define analogues of magnetic field h and the inverse temperature (\beta) in Ising model\beta*\beta* \beta*  . Sparks terminate via a phase transition known as "hpolarity reversal" and the leak emerges when hfails to change its sign.
 They define analogues of magnetic field (h) and the inverse temperature (\beta) in Ising model\beta*\beta* \beta* . Sparks terminate via a phase transition known as "hpolarity reversal" and the leak emerges when hfails to change its sign.