m**c
发帖数: 7349 | |
c*********e
发帖数: 16335 | 2 黑洞有没有，这是个问题。这个问题解决了，再接下来谈其它。
【在 m**c 的大作中提到】
: 描述霍金辐射的，看不懂
|
m**c
发帖数: 7349 | 3 榛戞礊鑲畾鏈夊晩銆傘銆傘銆傘銆傘銆傘
銆鍦convergence(Rex馃挭馃惗馃惐馃寧 |
l****e
发帖数: 25 | 4 鎴戣寰楁病鏈夐粦娲br />
娌℃湁铏礊
瀹囧畽灏辨槸鍐峰啺鍐扮殑
銆鍦mocc(鏃犲彲) 鐨勫ぇ浣滀腑鎻愬埌: 銆br />
: 姒涙垶绀婇懖顖氱暰閺堝
鏅╅妴鍌樷偓鍌樷偓鍌樷偓鍌樷偓鍌樷偓鍌樷偓鍌樷偓鍌樷偓鍌樷偓锟br />
: 閵嗭拷
閸︼拷 convergence(Rex棣冩尛棣冩儣棣冩儛棣冨
|
c*********e
发帖数: 16335 | 5 霍金 走了，他的黑洞理论也可以告一个段落了。江山代有才人出，各领风骚一百年。
理论物理领域，就是个理论物理学家门派之争的是非之地。
【在 m**c 的大作中提到】
: 描述霍金辐射的，看不懂
|
m**c
发帖数: 7349 | 6 闇嶉噾涔嬪悗娌¤浠箞鎵嶄汉銆傘銆傘銆傘銆傘銆br />
銆鍦convergence(Rex馃挭馃惗馃惐馃寧 |
P****R
发帖数: 22479 | 7 The formula
S = entropy (a thermodynamic quantity representing the unavailability of a
system’s thermal energy for conversion into mechanical work)
h = Planck constant (the energy of a quantum of electromagnetic radiation
divided by its frequency)
G = Newton’s constant (universal gravitational constant)
A = area of event horizon (a boundary in spacetime beyond which events
cannot affect an outside observer)
c = speed of light
k = Boltzmann’s constant (relates the average kinetic energy of particles
in a gas with the temperature of the gas) |
m**c
发帖数: 7349 | 8 就是这个，要上霍金墓碑。。。。。。。。
: http://static.independent.co.uk/s3fs-public/styles/story_medium/public/thumbnails/image/2018/03/14/07/hawkingequation.jpg
【在 P****R 的大作中提到】
: The formula
: S = entropy (a thermodynamic quantity representing the unavailability of a
: system’s thermal energy for conversion into mechanical work)
: h = Planck constant (the energy of a quantum of electromagnetic radiation
: divided by its frequency)
: G = Newton’s constant (universal gravitational constant)
: A = area of event horizon (a boundary in spacetime beyond which events
: cannot affect an outside observer)
: c = speed of light
: k = Boltzmann’s constant (relates the average kinetic energy of particles
|
P****R
发帖数: 22479 | 9 The formula
S = entropy (a thermodynamic quantity representing the unavailability of a
system’s thermal energy for conversion into mechanical work)
h = Planck constant (the energy of a quantum of electromagnetic radiation
divided by its frequency)
G = Newton’s constant (universal gravitational constant)
A = area of event horizon (a boundary in spacetime beyond which events
cannot affect an outside observer)
c = speed of light
k = Boltzmann’s constant (relates the average kinetic energy of particles
in a gas with the temperature of the gas)
Read more at: https://inews.co.uk/news/science/this-is-the-equation-stephen-
hawking-wanted-on-his-tombstone/
【在 P****R 的大作中提到】
: The formula
: S = entropy (a thermodynamic quantity representing the unavailability of a
: system’s thermal energy for conversion into mechanical work)
: h = Planck constant (the energy of a quantum of electromagnetic radiation
: divided by its frequency)
: G = Newton’s constant (universal gravitational constant)
: A = area of event horizon (a boundary in spacetime beyond which events
: cannot affect an outside observer)
: c = speed of light
: k = Boltzmann’s constant (relates the average kinetic energy of particles
|
m**c
发帖数: 7349 | 10 So it basically stipulates that entropy is proportional to spacetime
boundary with the coefficient relating to certain constants. Why just put it
as:
S=cK.
: The formula
: S = entropy (a thermodynamic quantity representing the unavailability
of a
: system’s thermal energy for conversion into mechanical work)
: h = Planck constant (the energy of a quantum of electromagnetic
radiation
: divided by its frequency)
: G = Newton’s constant (universal gravitational constant)
: A = area of event horizon (a boundary in spacetime beyond which events
: cannot affect an outside observer)
: c = speed of light
: k = Boltzmann’s constant (relates the average kinetic energy of
particles
【在 P****R 的大作中提到】
: The formula
: S = entropy (a thermodynamic quantity representing the unavailability of a
: system’s thermal energy for conversion into mechanical work)
: h = Planck constant (the energy of a quantum of electromagnetic radiation
: divided by its frequency)
: G = Newton’s constant (universal gravitational constant)
: A = area of event horizon (a boundary in spacetime beyond which events
: cannot affect an outside observer)
: c = speed of light
: k = Boltzmann’s constant (relates the average kinetic energy of particles
|
b***y
发帖数: 14281 | 11 但是这个公式是beckenstein的。
[在 PBSNPR (大刀王五) 的大作中提到：]
:http://www.mitbbs.com/cacheIMG/ed215a0af89c6d5ea46e17944016de6a_1521384737_2_nail.jpg
:The formula
:S = entropy (a thermodynamic quantity representing the unavailability of a
:system’s thermal energy for conversion into mechanical work)
:h = Planck constant (the energy of a quantum of electromagnetic radiation
:divided by its frequency)
:G = Newton’s constant (universal gravitational constant)
:A = area of event horizon (a boundary in spacetime beyond which events
:cannot affect an outside observer)
:c = speed of light
:.......... |
