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quant-ph2011★ 15 cited
Density Matrix Recursion Method: Genuine Multisite Entanglement Distinguishes Odd from Even Quantum Heisenberg Ladders
Himadri Shekhar Dhar, Aditi Sen De, Ujjwal Sen
We introduce an analytical iterative method, the density matrix recursion method, to generate arbitrary reduced density matrices of superpositions of short-range dimer coverings on…
quant-ph2011★ 2 cited
Simulating Quantum Dynamics with Entanglement Mean Field Theory
Aditi Sen De, Ujjwal Sen
Exactly solvable many-body systems are few and far between, and the utility of approximate methods cannot be overestimated. Entanglement mean field theory is an approximate method…
quant-ph2011★ 17 cited
Benford's Law Detects Quantum Phase Transitions similarly as Earthquakes
Aditi Sen De, Ujjwal Sen
A century ago, it was predicted that the first significant digit appearing in a data would be nonuniformly distributed, with the number one appearing with the highest frequency. Th…