Role of quantum state texture in probing resource theories and quantum phase transition

• URL: http://arxiv.org/abs/2507.13862v1
• Date: Fri, 18 Jul 2025 12:37:25 GMT
• Title: Role of quantum state texture in probing resource theories and quantum phase transition
• Authors: Ayan Patra, Tanoy Kanti Konar, Pritam Halder, Aditi Sen De,
• Abstract summary: We introduce a texture-based resource monotone applicable across general convex resource theories.<n>In particular, we propose the notion of non-local texture, which corresponds to the geometric measure of bipartite and multipartite entanglement in pure states.
• Score: 0.0
• License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
• Abstract: Building on the recently developed quantum state texture resource theory, we exhibit that the difference between maximum and minimum textures is a valid purity monotone in any dimension and provide a lower bound for existing purity measures. We introduce a texture-based resource monotone applicable across general convex resource theories, encompassing quantum coherence, non-stabilizerness, and entanglement. In particular, we propose the notion of non-local texture, which corresponds to the geometric measure of bipartite and multipartite entanglement in pure states. Furthermore, we demonstrate that the texture of the entire ground state or its subsystems can effectively signal quantum phase transitions in the Ising chain under both transverse and longitudinal magnetic fields, offering a powerful tool for characterizing quantum criticality.

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