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Spacetime-dimensions
New post in Spacetime-dimensions
How can time be a dimension when it is relative?
July 23rd, 2022
relativity
time
spacetime-dimensions
Regarding possibility of infinitely many spatial dimensions
November 12th, 2020
spacetime-dimensions
universe
How do we know we live in 3 dimensions?
September 22nd, 2020
spacetime
spacetime-dimensions
Is time fundamentally different from space?
August 1st, 2022
spacetime-dimensions
time
Zero dimensional field theory
February 18th, 2021
quantum-field-theory
path-integral
spacetime-dimensions
field-theory
Why does the universe exhibit three large-scale spatial dimensions?
December 1st, 2020
spacetime
quantum-gravity
string-theory
spacetime-dimensions
How can one imagine curled up dimensions?
April 28th, 2020
string-theory
spacetime-dimensions
kaluza-klein
compactification
visualization
Number of supersymmetric charge and the meaning of $\cal N$
August 1st, 2022
supersymmetry
definition
spacetime-dimensions
Gravity in 2d space and inverse linear law
August 1st, 2022
spacetime-dimensions
gravity
general-relativity
Einstein Field Equations in other space-time dimensions than 3+1?
May 23rd, 2020
general-relativity
spacetime-dimensions
topological-field-theory
How to prove that we are living in a 3+1D world?
August 4th, 2020
experimental-physics
popular-science
spacetime
spacetime-dimensions
Electric field and electric potential of a point charge in 2D and 1D
June 21st, 2020
electrostatics
homework-and-exercises
gauss-law
spacetime-dimensions
coulombs-law
Is there any intuitive interpretation of compactification?
July 3rd, 2020
string-theory
spacetime-dimensions
compactification
Is the space in which we live fundamentally 3D or is this just how we perceive it?
August 10th, 2022
spacetime-dimensions
spacetime
Does the CPT theorem hold for all spacetime dimensions?
June 27th, 2020
special-relativity
spacetime-dimensions
cpt-symmetry
quantum-field-theory
Why does the dimension of the electric charge depend on the number of spacetime dimensions?
August 18th, 2020
electromagnetism
dimensional-analysis
spacetime-dimensions
homework-and-exercises
Mathematically rather than physically speaking, is there something "special" about 10 (or 11) dimensions?
March 10th, 2020
spacetime-dimensions
quantum-anomalies
string-theory
supersymmetry
Does space curvature automatically imply extra dimensions?
April 3rd, 2021
curvature
spacetime-dimensions
differential-geometry
spacetime
general-relativity
Gravitational constant in higher dimensions?
August 1st, 2022
compactification
physical-constants
gravity
spacetime-dimensions
string-theory
Can dimension analysis be used in developing more advanced physics equations?
August 1st, 2022
quantum-mechanics
classical-mechanics
spacetime-dimensions
dimensional-analysis
Why do chiral objects only come in pairs?
October 20th, 2020
spacetime-dimensions
chirality
Why doesn't the number of space dimensions equal the number of time dimensions?
December 29th, 2020
spacetime-dimensions
spacetime
How is graphene a 2D substance?
January 13th, 2020
spacetime-dimensions
material-science
graphene
Why are the generators of rotation in the 4-dimensional Euclidean space correspond to rotations in a plane?
December 31st, 2020
spacetime-dimensions
angular-momentum
group-theory
rotation
lie-algebra
A sketch of various combinations of numbers of space and time dimensions
April 28th, 2020
spacetime
spacetime-dimensions
Maxwell's equations of Electromagnetism in 2+1 spacetime dimensions
August 11th, 2022
spacetime-dimensions
electromagnetism
maxwell-equations
Why (in relatively non-technical terms) are Calabi-Yau manifolds favored for compactified dimensions in string theory?
October 19th, 2020
string-theory
calabi-yau
compactification
spacetime-dimensions
popular-science
How can we be so sure the universe has 3 dimensions?
March 17th, 2020
spacetime-dimensions
cosmology
universe
How does the LHC explore extra dimensions?
July 30th, 2020
particle-physics
large-hadron-collider
particle-accelerators
spacetime-dimensions
Critical Dimension of Bosonic Strings and Regularization of $\sum_{n=1}^\infty n$
June 19th, 2020
spacetime-dimensions
regularization
string-theory
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