# Duncan Haldane

> professor of physics at Princeton University

**Wikidata**: [Q1002250](https://www.wikidata.org/wiki/Q1002250)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Duncan_Haldane)  
**Source**: https://4ort.xyz/entity/duncan-haldane

## Summary

Duncan Haldane is a British-born physicist and professor at Princeton University known for his groundbreaking work in condensed matter physics. He was awarded the Nobel Prize in Physics in 2016 for his theoretical discoveries of topological phase transitions and topological phases of matter, which have fundamentally changed our understanding of how materials behave at the quantum level.

## Biography

- **Born:** September 14, 1951
- **Nationality:** British (citizenship: United Kingdom)
- **Full Name:** Frederick Duncan Michael Haldane (also known as F. Duncan M. Haldane, F. Duncan Haldane, Frederick D. Haldane, F.D.M. Haldane)
- **Education:** Christ's College, Cambridge; University of Cambridge
- **Known for:** Theoretical discoveries of topological phase transitions and topological phases of matter
- **Employer(s):**
  - Princeton University (current)
  - Bell Labs
  - University of Southern California
  - University of California, San Diego
  - Institut Laue-Langevin
  - Leiden University
- **Field(s):** Condensed matter physics

## Contributions

Duncan Haldane's most significant contribution to physics is his theoretical work on topological phases of matter and topological phase transitions. In 1988, he proposed the "Haldane model," a theoretical framework that demonstrated how topological insulators could exist in materials without magnetic ordering, fundamentally challenging previous assumptions about how quantum Hall effect could manifest. This work laid the foundation for the entire field of topological insulators, a state of matter that conducts electricity on its edges while acting as an insulator in its interior.

His research has produced numerous influential publications in condensed matter physics, focusing on quantum Hall effect, topological phases of matter, and spin liquids. Haldane's theoretical framework has enabled experimental physicists to discover and characterize new states of matter that were previously unknown, opening entirely new avenues for research in condensed matter physics and quantum materials.

At Bell Labs, Haldane conducted research that contributed to our understanding of low-dimensional quantum systems. His work at various institutions has influenced experimental programs worldwide that seek to understand and exploit topological properties of materials for potential applications in quantum computing and electronics.

## FAQs

**What is Duncan Haldane most famous for?**
Duncan Haldane is most famous for his theoretical discoveries of topological phase transitions and topological phases of matter, work that earned him the 2016 Nobel Prize in Physics. His Haldane model demonstrated that topological insulators could exist without magnetic ordering, revolutionizing condensed matter physics.

**Where has Duncan Haldane worked?**
Duncan Haldane has worked at several prestigious institutions including Princeton University (current position), Bell Labs, University of Southern California, University of California San Diego, Institut Laue-Langevin, and Leiden University.

**What awards has Duncan Haldane received?**
Duncan Haldane has received numerous prestigious awards including the Nobel Prize in Physics (2016), the Oliver E. Buckley Condensed Matter Prize, the ICTP Dirac Medal, and he is a Fellow of the Royal Society and the American Academy of Arts and Sciences.

**What is the Haldane model?**
The Haldane model is a theoretical framework proposed by Duncan Haldane in 1988 that demonstrates how topological insulators can exist in materials without requiring magnetic ordering or broken time-reversal symmetry, fundamentally changing understanding of the quantum Hall effect.

**What field does Duncan Haldane work in?**
Duncan Haldane works in condensed matter physics, specifically focusing on topological phases of matter, quantum Hall effect, and theoretical physics of quantum materials.

## Why They Matter

Duncan Haldane's work has fundamentally transformed condensed matter physics and our understanding of the quantum world. Before his discoveries, physicists believed that the quantum Hall effect required strong magnetic fields and broken time-reversal symmetry. Haldane's theoretical model showed that topological phases of matter could exist without these conditions, opening an entirely new field of research.

His contributions have enabled the discovery of topological insulators, materials that are insulating in their interior but conduct electricity on their surfaces or edges. These materials have profound implications for future technologies, particularly in quantum computing where their unique properties could be harnessed to create more stable qubits. The field of topological quantum computing directly builds on Haldane's theoretical foundations.

Beyond topological insulators, Haldane's work has influenced our understanding of spin liquids, quantum magnetism, and exotic phase transitions. His theoretical frameworks have guided experimental physicists worldwide in discovering new states of matter and understanding quantum phenomena at the nanoscale. Without Haldane's contributions, the entire field of topological physics would be significantly delayed, and our understanding of quantum materials would be far less advanced.

## Notable For

- Nobel Prize in Physics (2016) for theoretical discoveries of topological phase transitions and topological phases of matter
- Creator of the Haldane model (1988), foundational work in topological insulators
- Fellow of the Royal Society
- Fellow of the American Academy of Arts and Sciences
- Recipient of the Oliver E. Buckley Condensed Matter Prize
- Recipient of the ICTP Dirac Medal
- Professor of physics at Princeton University
- Pioneer in the field of topological phases of matter

## Body

### Early Life and Education

Duncan Haldane was born on September 14, 1951. He pursued his higher education at Christ's College, Cambridge, one of the constituent colleges of the University of Cambridge. At Cambridge, he received rigorous training in theoretical physics that would form the foundation for his groundbreaking later work. The University of Cambridge, founded in 1209, provided Haldane with access to world-class physics research and mentorship that shaped his approach to condensed matter physics.

### Academic Career and Institutional Affiliations

Haldane's academic journey has taken him through several of the world's most prestigious research institutions. His career began with positions at leading universities and research laboratories, each contributing to his development as a theoretical physicist.

At Princeton University, Haldane currently holds the position of professor of physics. Princeton is a private Ivy League research university founded in 1746, and its physics department is among the most renowned in the world. His position at Princeton represents the pinnacle of an academic career that has included affiliations with Bell Labs, the University of Southern California, the University of California San Diego, Institut Laue-Langevin, and Leiden University.

Bell Labs, formally known as Nokia Bell Labs, is a research and scientific development company founded in 1925 by Alexander Graham Bell. It operates in the information technology and software industries and has been affiliated with numerous Nobel laureates and pioneering computer scientists. Haldane's work at Bell Labs placed him in an environment dedicated to fundamental research and technological innovation.

The University of Southern California, founded in 1880, is a private research university in Los Angeles. The University of California San Diego, founded in 1960, is a public research university known for its strength in physical sciences. Institut Laue-Langevin, founded in 1967, is an internationally financed scientific facility in France specializing in neutron scattering. Leiden University, founded in 1575 in the Netherlands, is one of the oldest universities in the country and has a distinguished history in physics and mathematics.

### Research Contributions

Haldane's research focuses on condensed matter physics, the branch of physics dealing with the properties of matter in condensed phases. His most significant contribution came in 1988 with the proposal of the Haldane model, which demonstrated theoretically that topological insulators could exist without requiring magnetic ordering or external magnetic fields.

The Haldane model describes a quantum Hall system on a honeycomb lattice without net magnetic field. This was revolutionary because it showed that the quantum Hall effect—a phenomenon where a material exhibits quantized electrical resistance in the presence of a magnetic field—could be reproduced without actual magnetic fields through the use of topological properties inherent to the material's structure.

This theoretical breakthrough opened the field of topological insulators, materials that are insulating in their bulk but conduct electricity along their edges or surfaces due to topological properties protected by time-reversal symmetry. These materials have unique electronic properties that make them valuable for potential applications in quantum computing, spintronics, and other advanced technologies.

Haldane has also made significant contributions to the understanding of spin liquids, quantum Hall effect, and various topological phases of matter. His work has provided theoretical frameworks that experimental physicists have used to discover and characterize new quantum states of matter.

### Awards and Recognition

The culmination of Haldane's career came in 2016 when he was awarded the Nobel Prize in Physics. The Nobel Prize, established in 1901 and awarded by the Royal Swedish Academy of Sciences, is the highest honor in physics. Haldane shared the prize with David J. Thouless and J. Michael Kosterlitz for their theoretical discoveries of topological phase transitions and topological phases of matter.

Prior to the Nobel Prize, Haldane received the Oliver E. Buckley Condensed Matter Prize from the American Physical Society in 1993. This prize, established in 1952, is awarded for theoretical or experimental contributions to condensed matter physics and is one of the most prestigious awards in the field.

He has also received the ICTP Dirac Medal, awarded by the International Centre for Theoretical Physics. His recognition by the Royal Society, the English learned society founded in 1660, and the American Academy of Arts and Sciences, founded in 1780, further underscores his standing in the scientific community.

### Professional Affiliations

Haldane's professional affiliations reflect his standing in the international physics community. He is a Fellow of the Royal Society, the American Academy of Arts and Sciences, and the American Physical Society. He is also affiliated with the Institute of Physics (GB), the American Association for the Advancement of Science, and the National Academy of Sciences.

These organizations represent the highest standards of scientific achievement and leadership in their respective fields. Membership in these prestigious bodies recognizes Haldane's contributions to physics and his ongoing role in advancing scientific knowledge.

### Influence and Legacy

Duncan Haldane's influence on condensed matter physics cannot be overstated. His theoretical work created an entirely new paradigm for understanding quantum states of matter. Before his discoveries, the field of topological phases was virtually nonexistent; today, it is one of the most active and promising areas of physics research.

The discovery of topological insulators, enabled by Haldane's theoretical work, has led to thousands of research papers and numerous experimental discoveries. These materials have potential applications in quantum computing, where their topological protection could provide more stable qubits resistant to decoherence.

Haldane's work has influenced generations of physicists, both theoretical and experimental. Researchers worldwide now search for new topological phases of matter, inspired by his foundational contributions. Without his theoretical framework, the entire field of topological quantum physics would be significantly different, and many of the recent breakthroughs in quantum materials would not have been possible.

## References

1. Leidse Hoogleraren
2. [ORCID Public Data File 2023](https://pub.orcid.org/v3.0/0000-0001-6420-9549/employment/56800)
3. [Source](https://www.aps.org/programs/honors/prizes/buckley.cfm)
4. [The Nobel Prize in Physics 2016. nobelprize.org](http://www.nobelprize.org/nobel_prizes/physics/laureates/2016/)
5. [The Nobel Prize amounts. nobelprize.org](https://www.nobelprize.org/nobel_prizes/about/amounts/)
6. [Le Nobel de physique attribué à trois Britanniques pour leurs recherches sur la matière. 2016](https://www.lemonde.fr/prix-nobel/article/2016/10/04/le-prix-nobel-de-physique-attribue-a-david-thouless-duncan-haldane-et-michael-kosterlitz_5007939_1772031.html)
7. [Source](https://www.ictp.it/prize/dirac-medal)
8. [Source](https://mcetv.ouest-france.fr/mon-mag-campus/sante-et-vie-etudiante/sante-mentale-devenir-pere-de-famille-est-excellent-pour-le-moral-11072024/)
9. Mathematics Genealogy Project
10. Virtual International Authority File
11. Encyclopædia Britannica Online
12. [Source](https://phy.princeton.edu/people/duncan-haldane)
13. CONOR.SI