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quant-ph2026
Two-parameter Family-Vicsek scaling in a dissipative XXZ spin chain
Cătălin Paşcu Moca, Doru Sticlet, Tamás Vicsek +1
Family-Vicsek (FV) scaling provides an understanding for the growth and finite-size saturation of fluctuations in classical systems. Here, we extend the FV roughness to transferred…
quant-ph2025
Non-stabilizerness as a Diagnostic of Criticality and Exceptional Points in Non-Hermitian Spin Chains
Cătălin Paşcu Moca, Doru Sticlet, Balázs Dóra
We investigate non-stabilizerness, also known as ``magic,'' to understand criticality and exceptional points in non-Hermitian quantum many-body systems. Our focus is on parity-time…