For the strange metal in BSCCO, the quantum Fisher information saturates at low temperature to a nonzero constant proportional to the pseudogap energy raised to a small power, indicating entanglement that mixes ultraviolet and infrared scales.
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Quantum Fisher Information Reveals UV-IR Mixing in the Strange Metal
For the strange metal in BSCCO, the quantum Fisher information saturates at low temperature to a nonzero constant proportional to the pseudogap energy raised to a small power, indicating entanglement that mixes ultraviolet and infrared scales.