Jaswin
Reputation
634
Next privilege 1,000 Rep.
Create new tags
 Mar 30 asked What is a zero temperature horizon? Mar 2 comment What is an extremal horizon? Yes, I understand now. Feb 29 asked What is an extremal horizon? Feb 19 comment Derivation of Gordon identity from Srednicki whati s \cancel Feb 4 comment Work-Energy Problem try solving the problem, with gravity, Normal force acting on the bead. You know the expression for the centripetal force. You know the velocity of the bead at an angle using conservation of energy. So you can compute when the Normal force becomes negative given the angle, velocity. Feb 3 answered Work-Energy Problem Dec 22 awarded Yearling Dec 22 comment Superposition State in Coin Toss @CuriousOne : Well, it's up to you if you like that approximation or not. Atleast I never came across a counter example where this approximation fails to give the correct result. I didn't get why you say "occasionally gives the right results". Dec 22 comment Superposition State in Coin Toss Sorry for being lazy, I meant $|H| >> \hbar$, the magnitude of a classical hamiltonian times t is way bigger than $\hbar$. Dec 22 comment Superposition State in Coin Toss @CuriousOne : When i am taking $\hbar \rightarrow 0$, I mean that $|H| >> \hbar$, and the $H$ here involves the entire environment which is generally classical, like the floor, wind, etc. All these things can be neatly approximated as decoherence. Dec 22 comment Superposition State in Coin Toss @SubhadipRoy : Yes you can take them to be an equal superposition. Dec 22 comment Superposition State in Coin Toss Obviously no. As you evolve you act it upon the states by $e^{iHt}$ and since it is a classical object you need to take $\hbar \rightarrow 0$ limit. Dec 22 answered Superposition State in Coin Toss Dec 16 answered Why the word “measurement” all the time? Nov 18 accepted Entanglement Entropy Nov 18 comment Supersymmetric Sigma Model @DanielSank : My apologies, I shall enter the equations from now on. Nov 5 awarded Nice Question Oct 15 accepted Supersymmetric Sigma Model Oct 6 asked OPE of parity even theories in CFT. Sep 30 awarded Notable Question