Recent questions in Theoretical Physics

+9 votes

0 answers

What is the meaning of a "two-dimensional" character?

asked Sep 11, 2022 in Theoretical Physics by AstralFlare

+21 votes

0 answers

When was the equation E=mc2 discovered? Why is this equation used in quantum mechanics when relativity isn't involved with subatomic particles?

asked Sep 11, 2022 in Theoretical Physics by fearless

+249 votes

0 answers

Hypothetically, what could have existed before the Big Bang?

asked Sep 11, 2022 in Theoretical Physics by Tony_montana

+43 votes

0 answers

The formal definition of an antiparticle is: "every type of particle associated with an antiparticle with the same mass but opposite physical charges". However, neutron isn't the same as antineutron due to baryon number. So is the definition wrong?

asked Sep 10, 2022 in Theoretical Physics by Pete Jones

+132 votes

0 answers

What is the definition of an inconsistent mathematical theory of everything? Would such a theory contradict itself somehow?

asked Sep 10, 2022 in Theoretical Physics by SolarisSculptor

+155 votes

0 answers

If the Multiverse exists, what will happen if we discover that the universes have their own multiverse based on their own Universe?

asked Sep 10, 2022 in Theoretical Physics by SeraphicTwilight

+203 votes

0 answers

When a particle meets its antiparticle, can we get its full energy?

asked Sep 10, 2022 in Theoretical Physics by Jack

+319 votes

0 answers

What are the effects of dark matter on fast moving bodies?

asked Sep 10, 2022 in Theoretical Physics by MidnightVortex

+137 votes

0 answers

What are some advanced mathematics courses that will help with reading papers related to string theory and quantum mechanics?

asked Sep 10, 2022 in Theoretical Physics by Cheltrobin83

+22 votes

0 answers

In a bound state, can I use the method of photon scattering to find the position of a particle?

asked Sep 10, 2022 in Theoretical Physics by oddjobkev

+47 votes

0 answers

Why is the hidden variable ruled out of quantum mechanics? Why can't it be that just like classical mechanics, the entangled pair already has a well defined spin property, we just discovered it when we make the measurement?

asked Aug 20, 2022 in Theoretical Physics by ThatDudeNick

+6 votes

0 answers

How would you explain Einstein’s theory of relativity to someone that doesn’t know or understand much about physics?

asked Aug 20, 2022 in Theoretical Physics by EnchantedHarmony

+35 votes

0 answers

Can one particle in an entangled pair have more information than the other?

asked Aug 20, 2022 in Theoretical Physics by NovaDreamer (2.1k points)

+14 votes

0 answers

What is the difference between experimental and theoretical probability?

asked Aug 19, 2022 in Theoretical Physics by LuminousOracle

+274 votes

0 answers

What is string theory? Why do many theoretical physicists believe in it despite there being no experimental evidence for it yet?

asked Aug 19, 2022 in Theoretical Physics by Timbo66

+229 votes

0 answers

Does the socket conduct current when an appliance is connected and the switched is turned off?

asked Aug 19, 2022 in Theoretical Physics by StellarVerse

+142 votes

0 answers

What goes on up inside a subatomic particle?

asked Aug 19, 2022 in Theoretical Physics by EmberWhirl

+14 votes

0 answers

Is an astrophysicist considered a kind of physicist by other physicists?

asked Aug 19, 2022 in Theoretical Physics by Mancone

+294 votes

0 answers

Could dark energy be reversed gravity?

asked Aug 19, 2022 in Theoretical Physics by SolarisMystic (2.6k points)

+984 votes

0 answers

Are pions real or virtual particles?

asked Aug 19, 2022 in Theoretical Physics by blazesquat

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