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quant-ph2026
Asymptotic scars arising from the remnants of quantum phase transitions
Leonard Logarić, Shane Dooley, Tsuyoshi Okubo +1
Many-body localisation, Hilbert space fragmentation and quantum many-body scars (QMBS) are well-established mechanisms of ergodicity breaking in quantum systems. Recently, asymptot…
quant-ph2026
Polylog-depth Quantum Thermal Simulation via Local Recovery Channels
Hideaki Hakoshima, Atsushi Iwaki, Nobuyuki Yoshioka
We establish sufficient conditions for preparing quantum thermal states of noncommuting local Hamiltonians with polylogarithmic circuit depth in arbitrary fixed spatial dimension.…