pith:GVA4R2KX
Correlation-driven tunability of altermagnetism in RuO$_2$
Dynamical correlations in RuO2 drive it close to the paramagnetic-altermagnetic boundary, rendering its magnetic state tunable by minimal strain and explaining experimental conflicts.
arxiv:2605.13559 v1 · 2026-05-13 · cond-mat.mtrl-sci · cond-mat.str-el
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Claims
dynamical correlation effects are the key driving force behind the highly tunable magnetic ground state of RuO₂; even a minimal compressive strain of ∼0.5% is sufficient to drive the system into an altermagnetic phase.
The specific values chosen for the local Hubbard interaction and Hund's coupling in the DMFT impurity solver accurately locate RuO2 near the paramagnetic-altermagnetic boundary without post-hoc adjustment that would move the system across the transition.
Dynamical correlations in RuO2 drive it close to the paramagnetic-altermagnetic boundary, rendering its magnetic state tunable by minimal strain and explaining experimental conflicts.
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| First computed | 2026-05-18T02:44:23.544351Z |
|---|---|
| Builder | pith-number-builder-2026-05-17-v1 |
| Signature | Pith Ed25519
(pith-v1-2026-05) · public key |
| Schema | pith-number/v1.0 |
Canonical hash
3541c8e95794591f074f052be44d1e9a3731b328141e65547080be47a16d45a1
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curl -sH 'Accept: application/ld+json' https://pith.science/pith/GVA4R2KXSRMR6B2PAUV6ITI6TI \
| jq -c '.canonical_record' \
| python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: 3541c8e95794591f074f052be44d1e9a3731b328141e65547080be47a16d45a1
Canonical record JSON
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