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Physics
Quantum Physics
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K
Time ordering operator
kanato
M
How to create good quantum states from good quantum numbers?
mattlorig
Y
De Broglie wavelength of particle in potential V
yxgao
V
Fermi Energy
viviane363
Y
Jordan-Wigner transformation
yukawa
J
Scattering theory - phase shift - best approx.
jonas_nilsson
P
Excitation energy of helium
pivoxa15
J
Potential barrier, wave function, and probability
judonight
S
Degeneracy equation
steveb
E
Hilbert-Polya conjecture:QM and number theory
eljose
T
Gauge Boson Propagators in Spontaneously Broken Gauge Theories
TriTertButoxy
L
Källen-Lehmann Representation
lonelyphysicist
J
Quantum computing - bloch sphere coordinates
j_king
J
Electron spin and conservation of angular momentum
JonoF
S
Density Operators, Trace and Partial Trace
skynelson
G
Difference between a classical and quantum field theory?
gato_
O
Elementary questions
oldman
Ground state of ortho-helium?
Oddbio
S
How to predict the frequency of NMR spectrum
SqrachMasda
M
Electric field operator (and the HOM dip)
mikeu
D
Coupled quantum harmonic oscillators
dflake
Intensity of Hydrogen spectral line
Angelos K
S
Time Evolution of a Square Pulse - Fourier
skynelson
I
Normal ordering and Wick contraction?
ismaili
Q
Relation between condensed matter physics and QFT
Quantum River
S
Typo in Kapusta or Ashok Das ? Formula for thermal propagator
Sunset
E
Quantum Information Processing
eNtRopY
Talbot Lau interferometry of carbon-70 fullerenes
Hans de Vries
B
Quantum Harmonic Oscillator: Negative Kinetic Energy Question.
BAnders1
D
Bird's and Frog's view, Quantum decoherence and consciousness
Dmitry67
S
Relational Quantum Mechanics Interpretation
Smacal1072
P
WKB-Double Potential Well
puneet203
X
Electron Precession versus Proton Precession in a Magnetometer?
xerxes73
S
Tunneling / Transmission Through a potential barrier that is infinitely high and thin
SOMEBODYCOOL
T
Hamiltonian and Green functions.
tpm
S
Band Theory - Insulator
secret2
T
Second quantization derivation of spin-orbit coupling.
todemax
U
Spin - overlapping photons with opposite spin
Usaf Moji
U
Peierls critical mass formula
uraknai
Connection Formulas in the WKB approximation
maverick280857
B
Eigenfunction, Eigenvalue, Wave Function and collapse
birulami
M
About Ward Identity
myqphy
C
Derivation of creation and annihilation operator commutation relations
carranty
D
A question from Landau's quantum mechanics
Dale12
I
Autocompensation of polarization state changes - Mirror/reflector and Faraday mirror
islahna
F
Coulomb wave functions
FunkyDwarf
M
Inductive and radiating electromagnetic fields.
McQueen
A
Quantum Ping Pong Balls
Allday
O
Fock Darwin states
ocotlet
P
What does off-diagonal term mean?
physlad
Lundeen Steinberg claim to resolve Hardy paradox
marcus
G
Matter waves as standing waves
GAGS
D
Bell Measurement on 3-qubit GHZ state?
DodongoBongo
E
Feynman diagrams for Bremsstrahlung
eoghan
S
Doube slit electron with single slit photon emitter and detector
superg33k
S
Disconnected diagram Feynman rules momentum space
Sunset
Sidney Coleman (1937-2007)
robphy
Z
Bell's theorem: Local realism v. counterfactual determinism
zvi
J
Success of SE simulations
jostpuur
R
Some questions on the Dyson expansion of the S matrix
robousy
I
NextNano3 simulation and some physics help
ingeni
R
Conservation of weak isospin
RedX
K
Rotating wave approximation
KFC
L
Question about epsilons that occurs in calculating beta functions in QFTs w dim reg
lonelyphysicist
T
Angular part of wave function
thedy
B
DGLAP: Kollinear divergence in splitting functions?
blue2script
E
QED and Unruh radiation
exponent137
M
Degeneracy of the Quantum Linear Oscillator
mavanhel
G
Accelerated electron photon emission
Greenie
I
Spectral radiancy curve
i_island0
M
Irreducible Tensors
msamp
O
Standard perturbation theory - what exactly is meant?
omg!
B
Path Integrals and Non-Abelian Gauge Theories
BenTheMan
A
Hawking Radiation and Black Hole Evaporation
Andrew Abbass
S
Projector optics
sharp81
E
Tensor force
evilcman
D
Feynman Amplitude Q
div curl F= 0
S
Average occupancy in systems
spaghetti3451
S
Rotational energy levels vs l quantum number
svayl
Suppose there is an extra compact dimension, and suppose
Spinnor
M
Wave function of two different fermions
Marchigno
N
Bethe-Salpeter equation confused
Neitrino
P
Counting States / Uncertainty principle
positron
S
Symmetric, antisymmetric and parity
Sacroiliac
N
Reference to a peer reviewed paper
Northprairieman
F
Bloch Sphere Representation
*FaerieLight*
Q
Are all quadratic terms in gauge fields necessarily mass terms?
QuantumSkippy
C
What are vibrational levels and energy states?
CrimpJiggler
N
What is non/perturbative vacuum
Neitrino
X
Calculate energy level spectra?
xylai
N
Questions on Quantum Numbers (introductory physics)
nonequilibrium
A
Cloud Chambers and The Double Slit
Amanita-Virosa
N
How do Heisenberg Uncertainty & de Broglie wavelength apply to atom trap?
natalie.*
U
Virtual Photons
Usaf Moji
Hydrogen spectrum hyperfine structure
edguy99
N
Help understanding Nuclear physics concepts
nikhill
M
Larmor Frequency spin, orbital or total angular momentum?
Master J
M
Where do the free electrons go and how do I find the energy level?
Marie131963
P
Boundary conditions for two dimensional problems in Quantum mechanics
PRB147
L
Question on Russell-Saunders term Symbols
luiz1
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