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cond-mat.stat-mech2024
Hilbert space geometry and quantum chaos
Rustem Sharipov, Anastasiia Tiutiakina, Alexander Gorsky +2
The quantum geometric tensor (QGT) characterizes the Hilbert space geometry of the eigenstates of a parameter-dependent Hamiltonian. In recent years, the QGT and related quantities…
cond-mat.stat-mech2024★ 8 cited
Adiabatic gauge potential and integrability breaking with free fermions
Balázs Pozsgay, Rustem Sharipov, Anastasiia Tiutiakina +1
We revisit the problem of integrability breaking in free fermionic quantum spin chains. We investigate the so-called adiabatic gauge potential (AGP), which was recently proposed as…