
The equivalence between the two-dimensional Ising model and a free fermion field theory is used to rederive various results for the two-spin correlation function in the critical region.
Quantum Physics, 51 Physical Sciences (for-2020), 5106 Nuclear and Plasma Physics (for-2020), Molecular, Atomic, Nuclear & Particles Physics, Particle and Plasma Physics, 5103 Classical Physics (for-2020), 4902 Mathematical Physics (for-2020), 49 Mathematical Sciences (for-2020), Nuclear, Astronomical and Space Sciences
Quantum Physics, 51 Physical Sciences (for-2020), 5106 Nuclear and Plasma Physics (for-2020), Molecular, Atomic, Nuclear & Particles Physics, Particle and Plasma Physics, 5103 Classical Physics (for-2020), 4902 Mathematical Physics (for-2020), 49 Mathematical Sciences (for-2020), Nuclear, Astronomical and Space Sciences
| selected citations These citations are derived from selected sources. This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically). | 28 | |
| popularity This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network. | Top 10% | |
| influence This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically). | Top 10% | |
| impulse This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network. | Average |
