3 papers
physics.comp-ph2026
A quantum Monte Carlo algorithm for arbitrary high-spin Hamiltonians
Arman Babakhani, Lev Barash, Itay Hen
We present a universal quantum Monte Carlo algorithm for simulating arbitrary high-spin (spin greater than 1/2) Hamiltonians, based on the recently developed permutation matrix rep…
math.CA2025
Inequalities, identities, and bounds for divided differences of the exponential function
Qiulin Zeng, Nicholas Ezzell, Arman Babakhani +2
Let denote the divided difference of the exponential function. (i) We prove that exponential divided differences are log-submodular. (ii) We establish the…
cond-mat.supr-con2024
SNS Junctions along the BCS-BEC Crossover
Gautam Rai, Arman Babakhani, Ying Wang +2
We present a theory of SNS junctions, a normal metal sandwiched between two superconductors, along the crossover from the BCS to the BEC regime. We calculate the Josephson current…