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theoritical condensed matter physics


Sep
24
awarded  Autobiographer
Jul
2
awarded  Curious
Mar
27
comment Selection Rules in electron spectroscopy
What is going to happen if spin orbit interaction is considered where spin and orbit momentum are neither good quantum number?
Dec
10
asked How to calculate the Partition function of a large sparse Hamiltonian(band matrix)?
Dec
5
awarded  Popular Question
Jun
24
asked About the microscopic form of magnetocrystalline anisotropy
Feb
19
comment Typical operators in tight binding
I write a comment at the end of the original question, could you help me to check why I got this Contradictory result?
Feb
19
revised Typical operators in tight binding
added 660 characters in body
Feb
12
asked How to judge whether a symmetry will be spontaneously broken while only given a Hamiltonian preserving this symmety
Feb
7
comment Typical operators in tight binding
sorry, still do not understand why Wannier representation have continuum real space representation while atomic orbit representation doesn't.
Feb
7
revised Typical operators in tight binding
added 10 characters in body
Feb
7
asked Typical operators in tight binding
Feb
4
awarded  Promoter
Feb
2
asked The difference between the Wannier function and atomic orbit in a tight binding model
Feb
1
comment Formation of the overlap in metal electron bands
So what's the difference between graphene and Na while they can both be metallic while graphene is well described by covalent bonding, and, Na not?
Jan
29
asked Exact diagonalization of graphene's tight binding Hamiltonian
Jan
28
accepted why is orbital moment quenched while atoms forming solid
Jan
14
awarded  Scholar
Jan
14
accepted What is nonlocal resistance?
Jan
14
asked why is orbital moment quenched while atoms forming solid