Success Stories: NIW Approved for Condensed Matter Theory Researcher Advancing Topological Phases and Anyon-Based Quantum Computing
Client’s Testimonial:
“Thank you for all your help. I was not expecting it to go so seamlessly.”
On August 11th, 2025, we received another EB-2 NIW (National Interest Waiver) approval for a Postdoctoral Fellow in the field of Condensed Matter Theory (Approval Notice).
General Field: Condensed Matter Theory
Position at the Time of Case Filing: Postdoctoral Fellow
Country of Origin: Bosnia and Herzegovina
State of Residence at the Time of Filing: Ohio
Approval Notice Date: August 11th, 2025
Processing Time: 1 month, 26 days (Premium Processing Requested)
Case Summary:
North America Immigration Law Group (NAILG) framed this NIW around a program to explore topological phases in strongly correlated electron systems and to devise robust approaches for identifying anyonic quasiparticles, foundational steps toward fault-tolerant quantum computing with clear national-security and economic significance. The plan emphasizes Kondo models/lattices, bosonization frameworks, and variational simulations as tools to reveal protected states useful for quantum technologies.
Research Focus and Contributions
The petition highlighted: (1) advances in continuous Matrix Product States (cMPS) to uncover coherent ground states in Bose-Fermi mixtures beyond traditional techniques; and (2) a consistent bosonization–debosonization framework for multichannel Kondo models that resolves limitations of conventional methods and clarifies scaling, universality, and renormalization behavior, work that informs design principles for topological platforms and quantum dots.
Research Impact and Metrics
- Peer-Reviewed Publications: 4 journal articles and 1 conference paper (with additional abstracts and a preprint).
- Citations: 17 independent citations.
- Peer-Review Service: Invitations from leading physics journals, including at least 1 completed review.
Here is an anonymized excerpt from a recommendation letter that underscores the practical impact of his work:
“The [client] is an outstanding condensed-matter theorist whose innovative techniques reveal new physics in low-dimensional, strongly correlated systems. Specializing in bosonization and renormalization-group methods with a focus on topological phases, [client] extended continuous matrix-product-state approaches to continuum models, rigorously benchmarked them against exact solutions, and uncovered coherent ground-state phases in Bose–Fermi mixtures beyond the integrable regime. These advances provide practical insight for realizing topological order with quantum-computing applications and have been recognized by leading journals and through invitations to review.”
Demonstrating Substantial Merit & National Importance
We demonstrated substantial merit by linking the research to anyon identification and topological protection, which underpin scalable error-resilient quantum computation. National importance was established through evidence that these methods support U.S. leadership in quantum technologies with downstream impacts in cryptography, materials discovery, and high-value computing sectors. The record also shows peer uptake independent teams have built on the client’s modeling approaches, underscoring broad applicability beyond any single institution.
Well Positioned to Advance the Proposed Endeavor
The client’s advanced training, active U.S. research role, and a cohesive plan to extend bosonization, cMPS, and Kondo-lattice studies demonstrate a strong capacity to carry this work forward. Publications in selective venues, independent citations, and invitations to judge the work of others collectively confirm recognized expertise and momentum.
NIW Approval and Outlook
Approved in 1 month and 26 days with premium processing, this NIW recognizes the client’s potential to accelerate U.S. progress toward fault-tolerant quantum computing by clarifying topological phases and anyonic phenomena in correlated systems. NAILG is proud to have guided this petition and looks forward to the client’s continued contributions to quantum information science and next-generation technologies.

