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Symmetry
New post in Symmetry
Why symmetry transformations have to commute with Hamiltonian?
May 24th, 2020
commutator
hamiltonian
symmetry
quantum-mechanics
Why do the Lagrangian and Hamiltonian formulations give the same conserved quantities for the same symmetries?
August 1st, 2022
noethers-theorem
hamiltonian-formalism
symmetry
conservation-laws
lagrangian-formalism
Difference between symmetry and invariance
August 1st, 2022
invariants
covariance
definition
symmetry
How is symmetry related to the degeneracy?
August 19th, 2022
representation-theory
group-theory
symmetry
quantum-mechanics
Lie group of Schrodinger Wave equation
March 20th, 2020
schroedinger-equation
lie-algebra
symmetry
mathematical-physics
quantum-mechanics
Generator for parity?
August 11th, 2020
parity
discrete
group-theory
symmetry
quantum-mechanics
Symmetries of AdS$_3$, $SO(2,2)$ and $SL(2,\mathbb{R})\times SL(2,\mathbb{R})$
August 1st, 2022
anti-de-sitter-spacetime
symmetry
group-theory
metric-tensor
group-representations
Definitions and usage of Covariant, Form-invariant & Invariant?
March 14th, 2020
definition
covariance
invariants
symmetry
Explanation of homogeneity of space and time by giving examples?
March 7th, 2022
classical-mechanics
spacetime
symmetry
definition
Does momentum conservation imply energy conservation?
January 22nd, 2020
newtonian-mechanics
energy
momentum
conservation-laws
symmetry
The Ozma Problem
March 18th, 2022
cp-violation
chirality
parity
antimatter
symmetry
Invariance of Action vs. Lagrangian in Noether's theorem?
August 1st, 2022
lagrangian-formalism
symmetry
action
noethers-theorem
classical-field-theory
Bondi-Metzner-Sachs (BMS) symmetry of asymptotically flat space-times
May 10th, 2020
differential-geometry
symmetry
vector-fields
general-relativity
Physical significance of Killing vector field along geodesic
August 1st, 2022
geodesics
vector-fields
differential-geometry
symmetry
general-relativity
Noether's Theorem: Lie groups vs. Lie algebras; finite vs. infinitesimal symmetries
July 29th, 2020
mathematical-physics
lagrangian-formalism
symmetry
lie-algebra
noethers-theorem
Time reversal symmetry and T^2 = -1
August 1st, 2022
time-reversal-symmetry
spin-statistics
fermions
symmetry
quantum-field-theory
Conservation of energy and Killing-field
April 15th, 2020
general-relativity
energy-conservation
conservation-laws
symmetry
vector-fields
Local and Global Symmetries
November 10th, 2020
gauge-invariance
field-theory
gauge-theory
symmetry
terminology
Why Lie algebras if what we care about in physics are groups?
July 26th, 2020
symmetry
group-theory
representation-theory
lie-algebra
What does it mean for an action to be invariant under $x \to x'$, $\phi \to \phi'$?
May 2nd, 2020
noethers-theorem
symmetry
definition
action
lagrangian-formalism
Symmetry of the $3\times 3$ Cauchy Stress Tensor
July 25th, 2020
symmetry
continuum-mechanics
stress-energy-momentum-tensor
tensor-calculus
metric-tensor
Gravitation law paradox for very close objects?
September 3rd, 2022
forces
symmetry
newtonian-gravity
Are diffeomorphisms a proper subgroup of conformal transformations?
March 19th, 2020
differential-geometry
symmetry
conformal-field-theory
covariance
diffeomorphism-invariance
What's chiral about the Dirac points in graphene?
August 1st, 2022
chirality
condensed-matter
symmetry
graphene
Is Conformal Symmetry Local or Global?
December 29th, 2020
quantum-field-theory
string-theory
symmetry
conformal-field-theory
Must every isometry have an associated Killing vector?
August 1st, 2022
general-relativity
differential-geometry
symmetry
vector-fields
Conjugate Variables, Noether's Theorem and QM
August 1st, 2022
noethers-theorem
heisenberg-uncertainty-principle
symmetry
quantum-mechanics
Is this Landau's other critical phenomena mistake?
August 15th, 2022
thermodynamics
statistical-mechanics
symmetry
CFT and the Coleman-Mandula Theorem
August 1st, 2022
scale-invariance
quantum-field-theory
symmetry
conformal-field-theory
s-matrix-theory
What is kappa symmetry?
August 1st, 2022
quantum-field-theory
string-theory
supersymmetry
symmetry
superspace-formalism
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