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quant-ph2018
Quantum spin systems versus Schroedinger operators: A case study in spontaneous symmetry breaking
C. J. F. van de Ven, G. C. Groenenboom, R. Reuvers +1
Spontaneous symmetry breaking (SSB) is mathematically tied to some limit, but must physically occur, approximately, before the limit. Approximate SSB has been independently underst…
quant-ph2018
Lower bound on entanglement in subspaces defined by Young diagrams
Robin Reuvers
Eigenvalues of 1-particle reduced density matrices of -fermion states are upper bounded by , resulting in a lower bound on entanglement entropy. We generalize these bounds…