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Adam

France

I'm an assistant professor in cold atoms and condensed matter theory.

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48
Why do we expect our theories to be independent of cutoffs?
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23
Why are all force particles bosons?
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21
Difference between gapless excitations and Goldstone bosons in Condensed matter physics
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20
How to understand the idea of functional renormalization group?
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17
How are anyons possible?
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15
What is off-diagonal long range order in superfluid?
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15
How exact is the analogy between statistical mechanics and quantum field theory?
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14
Why are we allowed to divide by $\psi$ when $\psi=0$?
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14
Quantum field theory: zero vs. finite temperature
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13
When is Schwartz's method for "integrating out" a field valid?
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12
What exactly is $\hat{\psi}^\dagger(x)$? An operator or a function?
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12
Why cannot fermions have non-zero vacuum expectation value?
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12
Can renormalization group evolution be used to capture emergence?
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11
Some conceptual questions on the renormalization group
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11
Why can consistent QFTs only arise from CFTs?
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11
What is the Kosterlitz -Thouless transition?
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10
Hubbard-Stratonovich transformation and mean-field approximation
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10
Divergent bare parameters/couplings: what is the physical meaning of it? Do this have any relation with wilson's renormalization group approach?
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10
Uses of effective action and effective potential
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9
Do we have magnetic monopole? Is charge, according to yesterdays paper on Nature by Ray-Roukokoski-Kandel-Möttönen-Hall (30.01.14) quantized?
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9
Effect of linear terms on a QFT
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9
Strange definition of microcanonical partition function
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9
Why under Lorentz transformations the Higgs boson is a scalar field and under $SU(2)$ it is a doublet?
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9
Why, in quantum field theory, is $\hat{a}(p)|0\rangle=0$?
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9
Can Feynman diagrams be used to represent any perturbation theory?
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8
How is domain wall formation related to spontaneous symmetry breaking?
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8
Fock space with mixed anti-commutation/commutation relations?
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8
What is a degenerate Fermi gas?
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8
How are superconductors discovered?
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8
Self-energy, 1PI, and tadpoles
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