Gravitational wave - Revision history

91.135.1.212: missing word

2015-01-03T13:32:24Z

missing word

← Older revision		Revision as of 15:32, 3 January 2015
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	~~Oscar is what my wife enjoys to contact me~~ and ~~I completely dig that name~~. ~~Years in the past we moved to North Dakota~~. ~~My day occupation~~ is ~~a librarian~~. To gather badges is what her family ~~members~~ and her appreciate.<br><br>~~Stop by~~ my ~~web blog -~~ [http://~~glskating~~.~~com~~/~~groups~~/~~stay-yeast-infection-free-with-these-helpful-suggestions/ at home std testing~~]		Hello and welcome. My title is Figures Wunder. Puerto Rico is exactly where he's been residing for years and he will never move. To gather badges is what her family and her appreciate. Bookkeeping is her working day occupation now.<br><br>Here is my page ... [http://www.reachoutsociety.info/user/JCondon www.reachoutsociety.info]

en>K6ka: Reverted edits by 128.119.91.18 (talk) to last revision by 72.19.89.88 (HG)

2014-02-27T21:44:01Z

Reverted edits by 128.119.91.18 (talk) to last revision by 72.19.89.88 (HG)

← Older revision		Revision as of 23:44, 27 February 2014
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	~~{{Expert-subject\|Physics\|date=February 2009}}~~		Oscar is what my wife enjoys to contact me and I completely dig that name. Years in the past we moved to North Dakota. My day occupation is a librarian. To gather badges is what her family members and her appreciate.<br><br>Stop by my web blog - [http://glskating.com/groups/stay-yeast-infection-free-with-these-helpful-suggestions/ at home std testing]
	~~'''Newton–Wigner localization''' (named after Theodore Duddell Newton and [[Eugene Wigner]])~~ is ~~a scheme for obtaining a [[position operator]] for massive [[theory of relativity\|relativistic]] [[quantum particle]]s. It is known~~ to ~~largely conflict with the [[Reeh-Schlieder theorem]] outside of a very limited scope~~.

	~~The Newton–Wigner position operators x<sub>1</sub>, x<sub>2</sub>, x<sub>3</sub>, are the premier notion of position~~
	~~in relativistic quantum mechanics of a single particle. They enjoy the same~~
	~~commutation relations with the 3 space momentum operators and transform under~~
	~~rotations in the same way as the x, y, z~~ in ~~ordinary [[Quantum mechanics\|QM]]. Though formally they have~~ the ~~same properties with respect~~ to
	~~p<sub>1</sub>, p<sub>2</sub>, p<sub>3</sub>, as~~
	~~the position in ordinary QM, they have additional properties~~. ~~One of these~~ is ~~that~~
	~~<math> [x_i \, , p_0 ] = p_i/p_0 </math>~~
	~~This ensures that the free particle moves at the expected velocity with the given momentum/energy. Apparently these notions were discovered when attempting to define~~ a ~~self adjoint operator in the relativistic setting that resembled the~~
	~~position operator in basic Quantum mechanics in the sense that at low momenta it~~
	~~approximately agreed with that operator~~. ~~It also has several famous strange behaviors, one of~~
	~~which~~ is ~~seen as the motivation for having to introduce quantum field theory.~~

	~~==References==~~
	~~{{reflist}}~~
	*[[Maurice Henry Lecorney Pryce\|M.H.L. Pryce]], ''Proc. Roy. Soc.'' 195A, 62 (1948)
	*T.D. Newton and E.~~P. Wigner, ''Rev. Mod. Phys.'' 21, 400 (1949)~~
	*[http://~~philsci-archive~~.~~pitt.edu~~/98/~~1/segal.pdf Academic paper: ''Newton–Wigner localization in relation to Reeh~~-~~Schlieder theorem'']~~

	~~{{DEFAULTSORT:Newton~~-~~Wigner localization}}~~
	~~[[Category:Quantum field theory~~]]


	~~{{physics-stub}}~~

en>Raoul NK: /* Introduction */ + picture

2014-01-27T09:28:44Z

Introduction: + picture

← Older revision		Revision as of 11:28, 27 January 2014
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	~~The title~~ of ~~the author~~ is ~~Figures but it's not~~ the ~~most masucline title out there~~. ~~Managing people is his profession~~. ~~Body developing is what my family members~~ and ~~I appreciate~~. ~~North Dakota~~ is ~~our beginning place.~~<br><br>~~Also visit my weblog;~~ [http://~~www~~.~~pornextras~~.~~info~~/~~user~~/~~G49Z pornextras~~.~~info~~]		{{Expert-subject\|Physics\|date=February 2009}}
			'''Newton–Wigner localization''' (named after Theodore Duddell Newton and [[Eugene Wigner]]) is a scheme for obtaining a [[position operator]] for massive [[theory of relativity\|relativistic]] [[quantum particle]]s. It is known to largely conflict with the [[Reeh-Schlieder theorem]] outside of a very limited scope.

			The Newton–Wigner position operators x<sub>1</sub>, x<sub>2</sub>, x<sub>3</sub>, are the premier notion of position
			in relativistic quantum mechanics of a single particle. They enjoy the same
			commutation relations with the 3 space momentum operators and transform under
			rotations in the same way as the x, y, z in ordinary [[Quantum mechanics\|QM]]. Though formally they have the same properties with respect to
			p<sub>1</sub>, p<sub>2</sub>, p<sub>3</sub>, as
			the position in ordinary QM, they have additional properties. One of these is that
			<math> [x_i \, , p_0 ] = p_i/p_0 </math>
			This ensures that the free particle moves at the expected velocity with the given momentum/energy. Apparently these notions were discovered when attempting to define a self adjoint operator in the relativistic setting that resembled the
			position operator in basic Quantum mechanics in the sense that at low momenta it
			approximately agreed with that operator. It also has several famous strange behaviors, one of
			which is seen as the motivation for having to introduce quantum field theory.

			==References==
			{{reflist}}
			*[[Maurice Henry Lecorney Pryce\|M.H.L. Pryce]], ''Proc. Roy. Soc.'' 195A, 62 (1948)
			*T.D. Newton and E.P. Wigner, ''Rev. Mod. Phys.'' 21, 400 (1949)
			*[http://philsci-archive.pitt.edu/98/1/segal.pdf Academic paper: ''Newton–Wigner localization in relation to Reeh-Schlieder theorem'']

			{{DEFAULTSORT:Newton-Wigner localization}}
			[[Category:Quantum field theory]]


			{{physics-stub}}

78.22.129.49: /* Sources of gravitational waves */

2012-08-19T12:14:39Z

Sources of gravitational waves

New page

The title of the author is Figures but it's not the most masucline title out there. Managing people is his profession. Body developing is what my family members and I appreciate. North Dakota is our beginning place.<br><br>Also visit my weblog; [http://www.pornextras.info/user/G49Z pornextras.info]