60 citations · 255 across the 9 of their papers we have counts for
Showing 2006Show all
2 papers · 1 filter
cond-mat.str-el2006★ 14 cited
Quantum dynamics of an Ising spin-chain in a random transverse field
Xun Jia, Sudip Chakravarty
We consider an Ising spin-chain in a random transverse magnetic field and compute the zero temperature wave vector and frequency dependent dynamic structure factor numerically by u…
cond-mat.str-el2006★ 39 cited
Replacing energy by von Neumann entropy in quantum phase transitions
Angela Kopp, Xun Jia, Sudip Chakravarty
In the thermodynamic limit two distinct states of matter cannot be analytic continuations of each other. Classical phase transitions are characterized by non-analyticities of the f…