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4 votes
0 answers
47 views

Are strong correlations of boundary spins possible in the absence of long-range order in the bulk?

Question about one-dimensional models with short range interaction of quantum spins, such as transverse Ising and Heisenberg models. Are there any examples when, in the ground state of the system, the ...
Gec's user avatar
  • 5,697
3 votes
1 answer
147 views

What is the signal of a spin wave?

From what I understand, for example in the Ising model, we can probe the correlation function via neutron scattering, and the correlation function gives the magnetic susceptibility for the system. Is ...
Kim Dong's user avatar
  • 700
1 vote
0 answers
76 views

Is there a relationship between spin correlation and entanglement entropy?

Can someone explain whether there is a connection between spin correlation in say a 1D Heisenberg chain and its entanglement entropy? I'd say, albeit naively, that there is just from their concepts. ...
Ravi's user avatar
  • 11