Questions tagged [cold-atoms]
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How does one subtract two light beams?
From what I understand, it seems like you can only "add" beams together. You can use a beam combiner, basically using a beam splitter in reverse, to combine two beams. In homodyne detection, you use a ...
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Why is low temperature required for optical lattice systems to enter magnetic regime?
"Optical lattice requires a very low temperature scale to enter magnetism regime."
Why is that?
What I know:
optical lattice systems suppress kinetic energy (hopping parameter: $t$ small);
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