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Author

Nandini Trivedi

2 papers indexed here

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Preprint Sep 2026

Thermally melted quadrupolar order and intrinsically quantum phases in 5$d^1$ double perovskites

Spin-orbit-coupled $d^1$ double perovskites exhibit a rich interplay of spin, orbital, and quadrupolar degrees of freedom (DOF), giving rise to competing magnetic and multipolar phases. Although quantum mean-field theories predict many exotic phases, their stability against thermal fluctuations and reproducibility with...

R. Cong, Ginevra Corsale, I. Nikolov et al. · 0 citations
Preprint Aug 2026

Crossover from Fast Scrambling to Operator Confinement Tuned by an Auxiliary Qubit

We demonstrate a static, disorder-free spin chain Hamiltonian which, by tuning the coupling to an auxiliary qubit, realizes a crossover between super-ballistic, ancilla-accelerated scrambling and sub-ballistic operator confinement. Our minimal model is the mixed-field Ising chain with a spin-1/2 ancilla coupled to its...

Ryan Buechele, Joseph C. Szabo, Nandini Trivedi · 0 citations

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