Probing multipolar order in the candidate altermagnet MnF$_2$ through the elastocaloric effect under strain
Fuente:
arXiv
Saved in:
| Main Authors: | , , , , , , , |
|---|---|
| Format: | Preprint |
| Published: |
2026
|
| Subjects: | |
| Online Access: | |
| Tags: |
Add Tag
No Tags, Be the first to tag this record!
|
| _version_ | 1866914283561943040 |
|---|---|
| author | Ohlendorf, Rahel Buiarelli, Luca Noad, Hilary M. L. Mackenzie, Andrew P. Fernandes, Rafael M. Birol, Turan Schmalian, Jörg Gati, Elena |
| author_facet | Ohlendorf, Rahel Buiarelli, Luca Noad, Hilary M. L. Mackenzie, Andrew P. Fernandes, Rafael M. Birol, Turan Schmalian, Jörg Gati, Elena |
| contents | Altermagnets break a combination of time-reversal and rotational symmetries without generating a net magnetization. As such, the order parameter of $d$-wave altermagnets has the same symmetry as magnetic multipoles, and couples to the product of a magnetic field and uniaxial strain. We combine elastocaloric experiments, free-energy modeling, and first-principles calculations on MnF$_2$ to establish a thermodynamic probe of the predicted finite-temperature altermagnetic critical point. These results pave the way to explore altermagnetic quantum criticality in $d$-wave materials and beyond. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2601_19343 |
| institution | arXiv |
| publishDate | 2026 |
| record_format | arxiv |
| spellingShingle | Probing multipolar order in the candidate altermagnet MnF$_2$ through the elastocaloric effect under strain Ohlendorf, Rahel Buiarelli, Luca Noad, Hilary M. L. Mackenzie, Andrew P. Fernandes, Rafael M. Birol, Turan Schmalian, Jörg Gati, Elena Strongly Correlated Electrons Materials Science Altermagnets break a combination of time-reversal and rotational symmetries without generating a net magnetization. As such, the order parameter of $d$-wave altermagnets has the same symmetry as magnetic multipoles, and couples to the product of a magnetic field and uniaxial strain. We combine elastocaloric experiments, free-energy modeling, and first-principles calculations on MnF$_2$ to establish a thermodynamic probe of the predicted finite-temperature altermagnetic critical point. These results pave the way to explore altermagnetic quantum criticality in $d$-wave materials and beyond. |
| title | Probing multipolar order in the candidate altermagnet MnF$_2$ through the elastocaloric effect under strain |
| topic | Strongly Correlated Electrons Materials Science |
| url | https://arxiv.org/abs/2601.19343 |