Independent theoretical physics research program

The Quantized Dimensional Ledger: A Structural Admissibility Framework for Physics

QDL introduces a prior structural question before model fitting or dynamical elaboration: should a proposed physical expression exist at all?

Standard dimensional analysis checks consistency. QDL investigates whether dimensional structure can do more: act as a pre-dynamical admissibility filter on fields, operators, constants, and measurement relations by requiring closure in a 3L + 2F lattice basis.

3L + 2F dimensional basis Quantized Dimensional Cell Structural admissibility Prediction filtering Falsifiable tests
Understanding QDL diagram showing dimensional analysis as spellcheck and QDL as a structural admissibility filter
First-pass intuition. Dimensional analysis checks whether units are consistent. QDL asks a stronger question: whether a proposed construction is structurally admissible under closure. In this framing, dimensional quantities are represented as vectors, combined, and tested against an allowed lattice structure.

The framework is developed across effective field theory, cosmology, metrology, and measurement theory, with explicit falsifiability conditions.

Explore the Research Program Read the Papers Try the QDL Calculator View Supporting Resources
From Concept to Consequence

What Changes When You Apply QDL

A second-pass view: from open-ended model building to constrained, testable structure.

Diagram showing QDL as an admissibility filter that reduces model space, finite operators, and falsifiable outcomes
QDL is proposed as an admissibility layer applied prior to unconstrained model proliferation. The aim is not to replace dynamics, but to narrow the space of admissible representations before detailed fitting begins.

Core takeaway: QDL reduces the space of admissible physical models before data is ever considered.

Core Consequences
Reduced model space. QDL is intended to filter representations before parameter fitting, reducing open-ended freedom at the structural level.
Finite operator logic. In the QDL program, operator towers are not merely truncated for convenience; drifting families are treated as structurally inadmissible.
Restricted coupling forms. Couplings are investigated under closure as finite spectral structures rather than arbitrary analytic freedom.
Cross-domain coherence. The same admissibility logic is explored across EFT, metrology, cosmology, and measurement theory.
Built-in falsifiability. If stable, physically necessary structures require persistent non-closure, the framework fails.
Current Research Status

The QDL research program is currently focused on:

  • Peer-reviewed publication of the integer-lattice structure underlying dimensional quantities.
  • Development of dimensional-closure constraints for effective field theory operator bases.
  • Residual-first benchmark comparisons using publicly available experimental datasets.
  • Design of falsifiable laboratory tests probing dimensional-closure scaling relations.

Program status: Active research and manuscript submissions in progress (2026).

QDL Physics Institute

The QDL Physics Institute is an independent research program based in Huntley, Illinois, USA, focused on the development and testing of the Quantized Dimensional Ledger (QDL) framework for dimensional closure, model admissibility, and experimental discrimination.

Research areas: dimensional structure of physical quantities, effective field theory constraints, dimensional closure in metrology, model integrity, and falsifiable tabletop experiments.

Director: James D. Bourassa   |   ORCID: 0009-0008-0155-0051

For Editors and Referees

The fastest way to evaluate the QDL program is the following sequence:

  1. Integer Lattice Structure of Dimensional Quantities
  2. The Quantized Dimensional Ledger: A Lattice Structure for Dimensional Closure in Physical Theories
  3. Ledger-Closure Constraints on the SMEFT
  4. Executed Benchmark Records

The QDL framework is intended as a dimensional admissibility constraint layer, not a replacement for established physical dynamics.

Research Snapshot

Three entry points into the program: formal structure, technical record, and practical support materials.

Research Program

A consolidated overview of the QDL framework, dimensional lattice structure, model admissibility, and experimental logic.

Publications

Core papers, benchmark records, and application papers organized in a framework-first sequence for technical readers.

Resources

Prototype demonstrations, books, benchmark access points, and orientation material that support review and navigation.

Interactive QDL Tool

A live entry point for testing structural admissibility under declared closure rules.

QDL Admissibility Calculator

Test declared vectors against canonical closure rules, explore admissible and inadmissible configurations, and use the built-in SMEFT ℤ₆, dimensional-failure, and metrology examples.

The calculator provides a live demonstration layer for the QDL framework and a compact report-ready summary of each result.

Latest Program Updates

Recent publications, benchmarks, and program milestones.

Foundational Papers

The shortest technical path into the QDL program.

Integer Lattice Structure of Dimensional Quantities
Lattice foundation · DOI-backed preprint
The Quantized Dimensional Ledger: A Lattice Structure for Dimensional Closure in Physical Theories
Closure formalism · DOI-backed preprint
Ledger-Closure Constraints on the SMEFT
SMEFT application · DOI-backed preprint
How to Read the Site

Start with the Research Program page for the conceptual structure, then move to Publications for the technical record. Use the QDL Calculator for a live demonstration of structural admissibility, and Resources for books, prototypes, and benchmark access.

This structure is meant to make the site read like a coherent research institute rather than a collection of separate project pages.

Research Goals

Near-term objectives of the Quantized Dimensional Ledger research program.

  • Formal development of dimensional closure as a structural admissibility constraint on physical representations.
  • Investigation of consequences for operator structure in effective field theories and related frameworks.
  • Development of benchmark methodologies for transparent model adequacy testing using public datasets.
  • Design of falsifiable tabletop experiments capable of distinguishing dimensional-closure predictions from conventional parameterizations.

Citable Program Record

Archival records and DOI-backed materials for the Quantized Dimensional Ledger research program.

The QDL research program maintains a DOI-backed archival record through the Zenodo repository. Core manuscripts, benchmark records, and supporting materials are preserved as citable research artifacts.

Maintaining DOI-backed program records supports long-term citation, reproducibility, and accessibility of the QDL research program.

Collaboration & Support

The QDL Physics Institute welcomes collaboration with researchers, experimental groups, and institutions interested in dimensional structure, measurement integrity, or falsifiable tests of the Quantized Dimensional Ledger framework.

The program also welcomes philanthropic or institutional support that enables continued development of open, DOI-backed research records and experimental benchmark studies.

For collaboration inquiries or discussion of potential support, please contact [email protected].