Tag: Excited state
Higher excitation levels weaken entanglement but increase coherence
What the study found The study found that for multipartite quantum states in Schwarzschild spacetime, higher excitation numbers q are linked to less quantum entanglement and mutual information but more quantum coherence. The authors describe this as a way the Hawking effect can degrade quantum correlations while protecting coherence. Why the authors say this matters…
Conic optimization tightened thermal bootstrap bounds in large-N matrix models
What the study found The study found that thermal bootstrap bounds for large-N matrix quantum mechanics can be improved without logarithmic relaxation by using a Quantum Information Conic Solver. In the one-matrix case, the stricter bounds gave a value for the first long string excited energy that is within 0.001% of the physical value. Why…
Self-gravitating bosonic configurations have a stability limit
Numerical study of self-gravitating bosonic systems reveals critical thresholds for equilibrium and stability in the nonrelativistic regime, with applications to ultralight dark matter candidates.
