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	<id>http://www.sklogwiki.org/SklogWiki/index.php?action=history&amp;feed=atom&amp;title=Yang-Yang_anomaly</id>
	<title>Yang-Yang anomaly - Revision history</title>
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	<updated>2026-04-27T19:06:37Z</updated>
	<subtitle>Revision history for this page on the wiki</subtitle>
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	<entry>
		<id>http://www.sklogwiki.org/SklogWiki/index.php?title=Yang-Yang_anomaly&amp;diff=10155&amp;oldid=prev</id>
		<title>Carl McBride: Corrected typo.</title>
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		<updated>2010-04-19T14:50:05Z</updated>

		<summary type="html">&lt;p&gt;Corrected typo.&lt;/p&gt;
&lt;table style=&quot;background-color: #fff; color: #202122;&quot; data-mw=&quot;interface&quot;&gt;
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				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;← Older revision&lt;/td&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;Revision as of 16:50, 19 April 2010&lt;/td&gt;
				&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot; id=&quot;mw-diff-left-l8&quot;&gt;Line 8:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 8:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;Given that experimentally it is found that  &amp;lt;math&amp;gt;C_V&amp;lt;/math&amp;gt; diverges at the  [[Critical points | critical temperature]] this implies that&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;Given that experimentally it is found that  &amp;lt;math&amp;gt;C_V&amp;lt;/math&amp;gt; diverges at the  [[Critical points | critical temperature]] this implies that&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;either &amp;lt;math&amp;gt;\partial^2 p/\partial T^2&amp;lt;/math&amp;gt; or &amp;lt;math&amp;gt;\partial^2 \mu/\partial T^2&amp;lt;/math&amp;gt;, or both, diverge as &amp;lt;math&amp;gt;T \rightarrow T_c^-&amp;lt;/math&amp;gt;.&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;either &amp;lt;math&amp;gt;\partial^2 p/\partial T^2&amp;lt;/math&amp;gt; or &amp;lt;math&amp;gt;\partial^2 \mu/\partial T^2&amp;lt;/math&amp;gt;, or both, diverge as &amp;lt;math&amp;gt;T \rightarrow T_c^-&amp;lt;/math&amp;gt;.&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;−&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;Fisher and Orkoulas &amp;lt;ref&amp;gt;[http://dx.doi.org/10.1103/PhysRevLett.85.696 Michael E. Fisher and G. Orkoulas &quot;The Yang-Yang Anomaly in Fluid Criticality: Experiment and Scaling Theory&quot;, Physical Review Letters &#039;&#039;&#039;85&#039;&#039;&#039; pp. 696-699 (2000)]&amp;lt;/ref&amp;gt; showed &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;the &lt;/del&gt;&#039;&#039;both&#039;&#039; diverge.&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;Fisher and Orkoulas &amp;lt;ref&amp;gt;[http://dx.doi.org/10.1103/PhysRevLett.85.696 Michael E. Fisher and G. Orkoulas &quot;The Yang-Yang Anomaly in Fluid Criticality: Experiment and Scaling Theory&quot;, Physical Review Letters &#039;&#039;&#039;85&#039;&#039;&#039; pp. 696-699 (2000)]&amp;lt;/ref&amp;gt; showed &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;that &lt;/ins&gt;&#039;&#039;both&#039;&#039; &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;terms &lt;/ins&gt;diverge.&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;==References==&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;==References==&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&amp;lt;references/&amp;gt;&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&amp;lt;references/&amp;gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;[[category: statistical mechanics]]&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;[[category: statistical mechanics]]&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</summary>
		<author><name>Carl McBride</name></author>
	</entry>
	<entry>
		<id>http://www.sklogwiki.org/SklogWiki/index.php?title=Yang-Yang_anomaly&amp;diff=10151&amp;oldid=prev</id>
		<title>Carl McBride: New page: The &#039;&#039;&#039;Yang-Yang anomaly&#039;&#039;&#039; &lt;ref&gt;[http://dx.doi.org/10.1103/PhysRevLett.13.303 C. N. Yang  and C. P. Yang &quot;Critical Point in Liquid-Gas Transitions&quot;, Physical Review Letters &#039;&#039;&#039;13&#039;&#039;&#039; pp.  ...</title>
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		<updated>2010-04-19T14:21:44Z</updated>

		<summary type="html">&lt;p&gt;New page: The &amp;#039;&amp;#039;&amp;#039;Yang-Yang anomaly&amp;#039;&amp;#039;&amp;#039; &amp;lt;ref&amp;gt;[http://dx.doi.org/10.1103/PhysRevLett.13.303 C. N. Yang  and C. P. Yang &amp;quot;Critical Point in Liquid-Gas Transitions&amp;quot;, Physical Review Letters &amp;#039;&amp;#039;&amp;#039;13&amp;#039;&amp;#039;&amp;#039; pp.  ...&lt;/p&gt;
&lt;p&gt;&lt;b&gt;New page&lt;/b&gt;&lt;/p&gt;&lt;div&gt;The &amp;#039;&amp;#039;&amp;#039;Yang-Yang anomaly&amp;#039;&amp;#039;&amp;#039; &amp;lt;ref&amp;gt;[http://dx.doi.org/10.1103/PhysRevLett.13.303 C. N. Yang  and C. P. Yang &amp;quot;Critical Point in Liquid-Gas Transitions&amp;quot;, Physical Review Letters &amp;#039;&amp;#039;&amp;#039;13&amp;#039;&amp;#039;&amp;#039; pp.  303-305 (1964)]&amp;lt;/ref&amp;gt; provides (Eq. 3):&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
:&amp;lt;math&amp;gt;C_V =  VT  \left. \frac{\partial^2 p}{\partial T^2} \right\vert_V  -NT \left. \frac{\partial^2 \mu}{\partial T^2} \right\vert_V &amp;lt;/math&amp;gt;&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
where &amp;lt;math&amp;gt;C_V&amp;lt;/math&amp;gt; is the  [[heat capacity]] at constant volume and &amp;lt;math&amp;gt;\mu&amp;lt;/math&amp;gt; is the [[chemical potential]].&lt;br /&gt;
Given that experimentally it is found that  &amp;lt;math&amp;gt;C_V&amp;lt;/math&amp;gt; diverges at the  [[Critical points | critical temperature]] this implies that&lt;br /&gt;
either &amp;lt;math&amp;gt;\partial^2 p/\partial T^2&amp;lt;/math&amp;gt; or &amp;lt;math&amp;gt;\partial^2 \mu/\partial T^2&amp;lt;/math&amp;gt;, or both, diverge as &amp;lt;math&amp;gt;T \rightarrow T_c^-&amp;lt;/math&amp;gt;.&lt;br /&gt;
Fisher and Orkoulas &amp;lt;ref&amp;gt;[http://dx.doi.org/10.1103/PhysRevLett.85.696 Michael E. Fisher and G. Orkoulas &amp;quot;The Yang-Yang Anomaly in Fluid Criticality: Experiment and Scaling Theory&amp;quot;, Physical Review Letters &amp;#039;&amp;#039;&amp;#039;85&amp;#039;&amp;#039;&amp;#039; pp. 696-699 (2000)]&amp;lt;/ref&amp;gt; showed the &amp;#039;&amp;#039;both&amp;#039;&amp;#039; diverge.&lt;br /&gt;
==References==&lt;br /&gt;
&amp;lt;references/&amp;gt;&lt;br /&gt;
[[category: statistical mechanics]]&lt;/div&gt;</summary>
		<author><name>Carl McBride</name></author>
	</entry>
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