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cond-mat.stat-mech2014★ 18 cited
Classical-quantum crossover in the critical behavior of the transverse field S-K spin glass model
Sudip Mukherjee, Atanu Rajak, Bikas K Chakrabarti
We study the critical behavior of Sherrington-Kirkpatrick model in transverse field (at finite temperature) using Monte Carlo simulation and exact diagonalization (at zero temperat…
cond-mat.mes-hall2014★ 16 cited
Possibility of adiabatic transport of a Majorana edge state through an extended gapless region
Atanu Rajak, Tanay Nag, Amit Dutta
In the context of slow quenching dynamics of a -wave superconducting chain, it has been shown that a Majorana edge state can not be adiabatically transported from one topologica…
cond-mat.stat-mech2014★ 6 cited
Quantum Annealing search of Ising spin glass ground state(s) with tunable transverse & longitudinal fields
A Rajak, B K Chakrabarti
Here we first discuss briefly the quantum annealing technique. We then study the quantum annealing of Sherrington-Kirkpatrick spin glass model with the tuning of both transverse an…