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Tunable topological phases in 2D materials via nonlocal three-body interactions
1Department of Physics, Jundi-Shapur University of Technology, Dezful, Iran.
None:
We present a comprehensive theoretical framework to explore emergent quantum phases in two-dimensional (2D) materials driven by nonlocal three-body interactions. By formulating a generalized Hamiltonian with nonlocal exchange terms, we derive analytical expressions for the energy gap, wave functions, and critical phase transitions. Our model predicts a topological phase transition at critical interaction strengths, validated through extensive numerical simulations. We analyze the robustness of these phases against temperature, disorder, and external fields, offering insights into their stability and tunability. These findings advance our understanding of quantum phases in 2D systems, with potential applications in quantum computing and spintronics.
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