Liu Zhao

2 Questions 8 Answers 0 Followers

Questions related from Liu Zhao

On some physicists' intuition about the naturalness of physics constants: how much should two quantities of the same dimension differ from each other?

I am confused about some physicists' physical intuition about the naturalness of physics constants, especially when comparing two constants of the same dimension. For instance, when two quantities...

05 May 2015 2,355 0 View

Why is the old cosmological constant problem a problem?

The cosmological constant problem is a huge hierarchy problem. It is often prescribed as a 10^120 orders of magnitude discrepancy between the QFT estimation on the zero point energy and the...

01 January 2014 7,784 8 View