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	<id>http://wikipedia.prusaspira.org/index.php?action=history&amp;feed=atom&amp;title=Separ%C4%81minas_st%C4%81nis</id>
	<title>Separāminas stānis - Wersiōnin istōrija</title>
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	<updated>2026-05-04T07:31:33Z</updated>
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		<title>WūranArtīkelinRedigītajs: Ast teīkuns(si) nāunan pāusan &quot;'''Separāminas stānis''' - kwāntiskas stānis stēisan tūls nikāi 1 pōsiteman, kawīdas ni turri senrazgīsnan. Stānis kawīdas ni ast s...&quot;</title>
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		<updated>2021-09-28T16:39:11Z</updated>

		<summary type="html">&lt;p&gt;Ast teīkuns(si) nāunan pāusan &amp;quot;&amp;#039;&amp;#039;&amp;#039;Separāminas stānis&amp;#039;&amp;#039;&amp;#039; - kwāntiskas stānis stēisan tūls nikāi 1 pōsiteman, kawīdas ni turri &lt;a href=&quot;/index.php?title=Senrazg%C4%ABsna&amp;amp;action=edit&amp;amp;redlink=1&quot; class=&quot;new&quot; title=&quot;Senrazgīsna (ni ast šin pāusan)&quot;&gt;senrazgīsnan&lt;/a&gt;. Stānis kawīdas ni ast s...&amp;quot;&lt;/p&gt;
&lt;p&gt;&lt;b&gt;Nāunan pāusan&lt;/b&gt;&lt;/p&gt;&lt;div&gt;'''Separāminas stānis''' - kwāntiskas stānis stēisan tūls nikāi 1 pōsiteman, kawīdas ni turri [[senrazgīsna|senrazgīsnan]]. Stānis kawīdas ni ast separāminan ast bilītan per ''senrazgītas stānis''.&lt;br /&gt;
&lt;br /&gt;
===Skīstas separāminas stānis===&lt;br /&gt;
&lt;br /&gt;
Skīsta stāni kīrsa [[Hilbertas plattibi|Hilbertas plattibin]] &amp;lt;math&amp;gt;\mathcal{H}_A \otimes \mathcal{H}_B&amp;lt;/math&amp;gt; ast separāminan ik ast prōjaktōrs na prōduktiskan wektōran en &amp;lt;math&amp;gt;\mathcal{H}_A \otimes \mathcal{H}_B&amp;lt;/math&amp;gt;:&lt;br /&gt;
:&amp;lt;math&amp;gt;|\Psi\rangle\langle\Psi|=|\Psi_A \otimes \Psi_B\rangle\langle\Psi_A \otimes \Psi_B|&amp;lt;/math&amp;gt;&lt;br /&gt;
Perwaidīnsna stesses skīstan separāminan stānin ast:&lt;br /&gt;
:&amp;lt;math&amp;gt;\rho=\frac 12 (|00\rangle + |11\rangle)(\langle 00|+\langle 11|)&amp;lt;/math&amp;gt;&lt;br /&gt;
Sirzdau wissans skīstans stānins separāminas stānis teikāi mattas nullas tūliskwan.&lt;br /&gt;
&lt;br /&gt;
===Maisātas separāminas stānis===&lt;br /&gt;
&lt;br /&gt;
Maisāta stāni kīrsa &amp;lt;math&amp;gt;\mathcal{H}_A \otimes \mathcal{H}_B&amp;lt;/math&amp;gt; ast separāminan ik ast auktumma kōmbinaciōni stēisan skīstan separāminan stānis:&lt;br /&gt;
:&amp;lt;math&amp;gt;\rho = \sum_i |\Psi^{(i)}_A \otimes \Psi^{(i)}_B\rangle\langle\Psi^{(i)}_A \otimes \Psi^{(i)}_B| &amp;lt;/math&amp;gt;&lt;br /&gt;
anga ainawīdai kāigi kōmbinaciōnin stēisan prōduktiskan stānin (šlāit niaīnans kōrelaciōnins):&lt;br /&gt;
:&amp;lt;math&amp;gt;\rho = \sum_i \rho^{(i)}_A \otimes \rho^{(i)}_B&amp;lt;/math&amp;gt;&lt;br /&gt;
Perwaidīnsnai, sirzdau auktummans kōmbinaciōnins &amp;lt;math&amp;gt;\sum_i \lambda_i \rho_i &amp;lt;/math&amp;gt; stēisan ketturin skīstan senrazgītan stānin:&lt;br /&gt;
:&amp;lt;math&amp;gt;\rho_1=\frac 12 (|00\rangle + |11\rangle)(\langle 00|+\langle 11|)&amp;lt;/math&amp;gt;&lt;br /&gt;
:&amp;lt;math&amp;gt;\rho_2=\frac 12 (|00\rangle - |11\rangle)(\langle 00|-\langle 11|)&amp;lt;/math&amp;gt;&lt;br /&gt;
:&amp;lt;math&amp;gt;\rho_3=\frac 12 (|01\rangle + |10\rangle)(\langle 01|+\langle 10|)&amp;lt;/math&amp;gt;&lt;br /&gt;
:&amp;lt;math&amp;gt;\rho_4=\frac 12 (|01\rangle - |10\rangle)(\langle 01|-\langle 10|)&amp;lt;/math&amp;gt;&lt;br /&gt;
Separāminan ast stānis per kawīdans &amp;lt;math&amp;gt;\max\{\lambda_i\} \le \frac 12&amp;lt;/math&amp;gt;. Wissas kittas ast senrazgītan. Maksimālai senrazgītas stānis (nōrmintas identiskwas) ebzūrgisku ast wisaddan separāminan be wisaddan ekzistijja šisses stānin ebzūrgisku stēisan separāminan stānin. Tūlisku wisēisan separāminan stānin ast patūlisku wisēisan stānin stesse pilnan mattan.&lt;br /&gt;
&lt;br /&gt;
===Per tūls nikāi dwāi pōsistemans===&lt;br /&gt;
&lt;br /&gt;
Skīstas stānis stēisan &amp;lt;math&amp;gt;N&amp;lt;/math&amp;gt; (tūls nikāi dwāi) pōsisteman:&lt;br /&gt;
:&amp;lt;math&amp;gt;|\Psi\rangle\langle\Psi|=|\Psi_1 \otimes \dots \otimes \Psi_N\rangle\langle\Psi_1 \otimes \dots \otimes \Psi_N|&amp;lt;/math&amp;gt;,&lt;br /&gt;
kwēi &amp;lt;math&amp;gt; \Psi \in \mathcal{H}_1 \otimes \dots \otimes \mathcal{H}_N&amp;lt;/math&amp;gt;&lt;br /&gt;
Maisātas separāminas stānis ast etkūmps auktummas kōmbinaciōnis stēisan skīstan separāminan stānin.&lt;br /&gt;
&lt;br /&gt;
===Separāminiskwas prōblaman===&lt;br /&gt;
&lt;br /&gt;
Prōblamas analītiskas etwērpsenis ast zinātan tēr per dwāi pōsistemans stēisan ermattausnan &amp;lt;math&amp;gt;2 \times 2&amp;lt;/math&amp;gt;, &amp;lt;math&amp;gt;2 \times 3&amp;lt;/math&amp;gt; be &amp;lt;math&amp;gt;3 \times 2&amp;lt;/math&amp;gt;. Nummeriska presnā, anga dāta stāni ast separāminan ast enmpīriniskai NP-brendu prōblaman. Ast zinātan tūlin būtewingis audaīras per separāminiskwan zinātan kāigi [[separāminiskwas kritērijas]].&lt;br /&gt;
&lt;br /&gt;
[[Category: Fizīki]]&lt;br /&gt;
&lt;br /&gt;
&amp;lt;!--&lt;br /&gt;
[[en:Separable states]]&lt;br /&gt;
[[de:Separabilität (Quantenmechanik)]]&lt;br /&gt;
--&amp;gt;&lt;/div&gt;</summary>
		<author><name>WūranArtīkelinRedigītajs</name></author>
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