phymath999: It appears as if fermions now repel each other while bosons attract each other. In fact that is effectively what they do. The effective force is called the exchange force

Monday, November 9, 2015

It appears as if fermions now repel each other while bosons attract each other. In fact that is effectively what they do. The effective force is called the exchange force

Thermal Physics: Entropy and Free Energies

https://books.google.com/books?isbn=9814340766

Joon Chang Lee - 2011 - ‎Science

It appears as if fermions now repel each other while bosons attract each other. In fact that is effectively what they do. The effective force is called the exchange

box) ...

phymath999: Amplituhedron, Amplituhedron theory ...

phymath999.blogspot.com/.../amplituhedron-amplituhedr... 轉為繁體網頁

2015年4月21日 - ... 除受引力F1之外，同时受到另一个类似洛仑滋力力（暂称为附加力）F... 近代物理学进展"蓝移"时力将指向光场中光弱处, 广义相对论认为，射线“蓝移” 的原因是：塔高H.. ..... 等离子体中起主导作用的是长程的库仑力，而且电子的质量很小，可以 .... 皮皮老師的物理世界參考圓上的圓周運動只引入一種, 通常是逆時針繞.

[PDF]Chapter 6

stp.clarku.edu/notes/chap6.pdf

Clark University

Aug 1, 2009 - the particles as distinguishable, and then correct for the error approximately. ... indistinguishable even in the limit of high temperatures. .... Independence of the partition function on the shape of the box ... calculate the mean energy and pressure of an ideal classical gas by considering the partition function.

[PDF]Quantum Ideal Gases - UCSD Department of Physics

physics.ucsd.edu/.../chapter09.pdf

University of California, San Diego

The mean energy per particle in a classical ideal gas is 3. 2. kBT. ... Exclusion principle, which prevents us from putting more than one particle in each state. For N ≪ V λ3 th ... or fermions. Consider for example two indistinguishable quantum particles in a box. ..... ultrarelativistic bosons and fermions at high temperature.

[PDF]3. Quantum Gases - damtp

www.damtp.cam.ac.uk/user/tong/.../three.pdf

University of Cambridge

six atoms in a box then they will still be there when you come back a month later. This isn't .... pressure of photons is one third of the energy density — a fact which will be important ..... fundamental particles such as the electron, proton and neutron are fermions. .... 3.5.2 A High Temperature Quantum Gas is (Almost) Classical.

pressure, degeneracy, exchange energy (exchange force)

www.av8n.com/physics/degeneracy.htm

See How It Flies

Figure 1: An ideal classical gas (g) in an isolated container (c) with a piston (p) .... so the zero-temperature pressure is higher than it would be for non-fermions. .... A gas of N electrons in a box of size L will have a much higher pressure than the ...

phymath999