− | 对于二维情况,沙堆模型被假设认为可以对应到中心电荷为''c'' = −2的'''辛费米子 symplectic fermion'''构成的共行场理论。<ref>{{cite journal |author=S. Moghimi-Araghi |author2=M. A. Rajabpour |author3=S. Rouhani |title=Abelian Sandpile Model: a Conformal Field Theory Point of View |arxiv=cond-mat/0410434 |year=2004 |doi=10.1016/j.nuclphysb.2005.04.002 |volume=718|issue=3|journal=Nuclear Physics B|pages=362–370|bibcode = 2005NuPhB.718..362M |s2cid=16233977 }}</ref> | + | 对于二维情况,沙堆模型被假设认为可以对应到中心电荷为''c'' = −2的'''辛费米子 symplectic fermion'''构成的共行场理论。<ref>{{cite journal |author=S. Moghimi-Araghi |author2=M. A. Rajabpour |author3=S. Rouhani |title=Abelian Sandpile Model: a Conformal Field Theory Point of View |arxiv=cond-mat/0410434 |year=2004 |doi=10.1016/j.nuclphysb.2005.04.002 |volume=718|issue=3|journal=Nuclear Physics B|pages=362–370|bibcode = 2005NuPhB.718..362M }}</ref> |