query: In and out states, QFT
positive_passages.docid: 156060
positive_passages.text: When we define the S-matrix, what are "in" and "out" states?
negative_passages.docid: 98535
negative_passages.text: Are eigenstates of the position operator continuous?
negative_passages.docid: 76648
negative_passages.text: do quantum fields exist in superposition?
negative_passages.docid: 151523
negative_passages.text: Quasiclassical QM for centrally symmetric fields
negative_passages.docid: 129559
negative_passages.text: Unitarily evolving a separable state into an entangled one
negative_passages.docid: 410
negative_passages.text: QM and Renormalization (layman)
negative_passages.docid: 156467
negative_passages.text: Does $\langle\Omega|\mathrm{e}^{\mathrm{i}Px}=\langle\Omega|\mathrm{e}^{\mathrm{i}0x}$? $(\langle\Omega| =$ ground state of the interacting theory)
negative_passages.docid: 37120
negative_passages.text: Frequencies of a standing EM wave in a box (Schwartz QFT)
negative_passages.docid: 137319
negative_passages.text: How is the joint state of these qubits derived?
negative_passages.docid: 117387
negative_passages.text: Can we safely assume $\Psi(x,t) = \psi(x)e^{-i\omega t}$ always in QM?
negative_passages.docid: 18414
negative_passages.text: Energy-Momentum Tensor in QFT vs. GR
negative_passages.docid: 7447
negative_passages.text: Self Teaching QFT
negative_passages.docid: 1330
negative_passages.text: Fermions, different species and (anti-)commutation rules
negative_passages.docid: 71599
negative_passages.text: How to prove useful property of logarithm of generating functional in QFT?
negative_passages.docid: 119309
negative_passages.text: Anomalies in QFT
negative_passages.docid: 67261
negative_passages.text: How does a perturbation theory make sense in quantum field theory?
negative_passages.docid: 130259
negative_passages.text: Is the S-Matrix the only quantum field observable?