论文标题
光腔内晶格bose气体中有限温度电荷密度波转变的新兴临界和普遍性类别
Emergent criticality and universality class of the finite temperature charge density wave transition in lattice Bose gases within optical cavities
论文作者
论文摘要
我们研究了深莫特绝缘体极限中光腔内晶格束气体的有限温度电荷密度波（CDW）。我们发现，在现场相互作用能量的一半左右的温度下出现了一个新的临界状态，在该温度的一半左右，低温下的一阶CDW过渡终止于临界点，并变为第二阶。通过直接计算关键指数并在相应的批判性制度中构建有效理论，我们发现新兴的关键性属于五维ISING普遍性类别。在温度方向上进行的当前实验设置可以轻易地执行对紧急临界的直接实验观察，左右在现场相互作用能量的一半左右。
We investigate the finite temperature charge density wave (CDW) transition of lattice Bose gases within optical cavities in the deep Mott-insulator limit. We find a new critical regime emerges at a temperature around one-half of the on-site interaction energy, where the first order CDW transition at low temperatures terminates at a critical point and changes to a second order one. By directly calculating the critical exponents and constructing the effective theory in the corresponding critical regime, we find the emergent criticality belongs to the five-dimensional Ising universality class. Direct experimental observation of the emergent criticality can be readily performed by current experimental set-ups operated in the temperature regime around half the on-site interaction energy.
