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Physics
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FriendlyLagrangian
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8
Proof that you can't disentangle two parties if you only operate on one
Oct 24, 2021
7
Hilbert space of a spinless fermion?
Feb 17, 2021
7
What is meant in condensed matter physics by a “gap” and why is it so important?
Oct 7, 2021
6
Chemical potential in canonical partition function
May 20, 2020
6
Are $\mathcal{PT}$-symmetric Hamiltonians dual to Hermitian Hamiltonians?
May 27
6
Coupling between harmonic oscillator and bath?
Jul 14, 2023
6
Why is the electromagnetic duality an S-duality?
Feb 3, 2021
6
Canonical commutation relationship with general operators?
Apr 28, 2021
5
How do you perform a Jordan-Wigner transformation step-by-step?
Sep 7, 2021
5
Proof that the reduced density matrix of free fermions is thermal?
Feb 19, 2021