"Dimer model"의 두 판 사이의 차이

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15번째 줄: 15번째 줄:
 
* Kasteleyn matrix
 
* Kasteleyn matrix
 
* height function
 
* height function
*  
+
* spectral curve
 +
* surface tension
 +
 
 +
 
  
 
 
 
 
23번째 줄: 26번째 줄:
 
<h5>physics motivation</h5>
 
<h5>physics motivation</h5>
  
* Dimer configuration can be considered as the covering of the graph by pairs of fermions connected by an edge
+
* dimer configuration can be considered as the covering of the graph by pairs of fermions connected by an edge
  
 
 
 
 
48번째 줄: 51번째 줄:
 
<h5>energy and weight systems</h5>
 
<h5>energy and weight systems</h5>
  
*  define a weight functionon the edges of the graph \gamma<br><math>w:E(\Gamma)\to \mathbb{R}_{\geq 0}</math><br>
+
*  define a weight function on the edges of the graph \gamma<br><math>w:E(\Gamma)\to \mathbb{R}_{\geq 0}</math><br>
 
*  For a dimer configuration D,<br><math>w(D)=\prod_{e\in D} w(e)</math><br>
 
*  For a dimer configuration D,<br><math>w(D)=\prod_{e\in D} w(e)</math><br>
 
*  energy function<br><math>\epsilon:E(\Gamma)\to \mathbb{R}</math><br>
 
*  energy function<br><math>\epsilon:E(\Gamma)\to \mathbb{R}</math><br>
58번째 줄: 61번째 줄:
  
 
 
 
 
 
<h5>mathematica code</h5>
 
 
# detk[m_, n_] :=<br>  N[Product[<br>    Product[2 Cos[(Pi*l)/(m + 1)] + 2 I*Cos[(Pi*k)/(n + 1)], {k, 1,<br>      n}], {l, 1, m}], 10]<br> Z[m_, n_] := Round[Sqrt[Abs[detk[m, n]]]]<br> Z[8, 8]
 
  
 
 
 
 

2011년 8월 8일 (월) 09:25 판

introduction

 

 

basic notions
  • dimer configurations
  • set of dimer configurations
  • partition function
  • Kasteleyn matrix
  • height function
  • spectral curve
  • surface tension

 

 

 

physics motivation
  • dimer configuration can be considered as the covering of the graph by pairs of fermions connected by an edge

 

 

Termperley equivalence
  • spanning trees on \gamma rooted at x
  • Dimers on D(\gamma)

 

 

Domino tiling and height function
  • bipartite graph

 

 

energy and weight systems
  • define a weight function on the edges of the graph \gamma
    \(w:E(\Gamma)\to \mathbb{R}_{\geq 0}\)
  • For a dimer configuration D,
    \(w(D)=\prod_{e\in D} w(e)\)
  • energy function
    \(\epsilon:E(\Gamma)\to \mathbb{R}\)
  • For a dimer configuration D,
    \(\epsilon(D)=\sum_{e\in D} \epsilon(e)\)
  • energy and weight function
    \(w(e)=\exp (-\frac{\epsilon(e)}{T})\)
  • partition function
    \(Z_{\Gamma}=\sum_{D\subset \Gamma} \prod_{e\in D} w(e)\)

 

 

 

 

memo

 

 

history

 

 

related items[[Schramm–Loewner evolution (SLE)|]]

 

 

encyclopedia

 

 

books

 

 

links

 

 

expositions

 

 

articles

 

 

question and answers(Math Overflow)

 

 

blogs