@Ujjal_Purkayastha

Ujjal Purkayastha

11 Questions 5 Answers 0 Followers

Questions related from Ujjal Purkayastha

Can someone explain how does one go from frequency domain noise to multipole domain ?

I want mathematical answers.

08 August 2019 8,259 2 View

What is the difference between Hubble sphere,particle horizon and event horizon ?

Please explain conceptually

01 January 2018 4,136 0 View

What determines the speed of sound in inflation models woth non canonical terms?

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12 December 2016 6,054 0 View

What is the physical meaning of anti commutation operators in quantum mechanics?

Physical meaning of commutation operators are understood.

06 June 2016 1,979 6 View

If kinetic energy is a scalar then why does it change under galilean transformation?

.

02 February 2015 2,510 0 View

Does one need to genius in theoretical physics or can hrd work make him successful?

.

02 February 2015 3,731 1 View

What mathematical back ground is required to learn string theory

.

12 December 2014 8,221 0 View

Why we dont talk about forces in quantum mechanics?

 because forces are instantaneous and thats not possible

11 November 2014 3,080 1 View

Does one have to be absolute genius like edward witten to shine in theoretical physics?

I dont think so there is something like genius or is it

11 November 2014 2,180 2 View

Is the schrodinger equation a postulate of quantum mechanics or can it be derived?

I think it can be derived.

09 September 2014 2,575 22 View

How do i calculate iso curvature three point correlation function for non Gaussianity in Inflation models?

I want to about field correlation function and iso curvature correlation functions.Please give some references for detailed calculation

01 January 1970 7,968 0 View

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