Experimental Consistency Between Continuous Time Crystals and the Chronos Temporal Field Framework Matthew J. Hall 1, ∗ 1 Independent Researcher, Wilmington, DE, USA (Dated: October 18, 2025) Recent work by M¨akinen et al. demonstrated a continuous time crystal (CTC) coupled to a mechanical mode in superfluid 3 He-B, forming a cavity-optomechanics-like system with long-lived oscillations and tunable linear/quadratic coupling [ 2 ]. We present an interpretive mapping between these observations and the Chronos framework, which models time as a dynamical scalar field τ (r , t ) = t + ϕ (r , t ). Using a canonical derivation, we show that the experimental Hamiltonian emerges as the firstand second-order reduction of the Chronos Hamiltonian. We then derive backaction corrections from the mechanical equation of motion, evaluate the Chronos energy-balance condition, and provide numeric estimates using reported parameters ( g1∼ 9 . 8–54 Hz/deg2 , θ0∼ 0 . 1 ◦ , Ω m∼ 12 . 5 Hz , Q∼ 65). While conventional optomechanics explains the data, the Chronos view offers a complementary, potentially unifying interpretation via dynamical time-field coupling. We list falsifiable predictions with quantitative targets (sum-rule, parity switch, synchronization threshold) to discriminate frameworks. I. INTRODUCTION AND MOTIVATION Chronos treats time as a local energetic field ϕ that can exchange energy with matter [ 1 ]. CTC experiments show frequency modulation (FM) with sidebands (Fig. 1c), tunable linear/quadratic couplings (Fig. 3d), and transparencylike dips at larger bias (Fig. 3e) [ 2 ]. Here we test consistency between those observations and Chronos by deriving the experimental Hamiltonian from the Chronos Lagrangian and matching parameters numerically. II. CHRONOS FIELD FORMALISM AND HAMILTONIAN REDUCTION Let τ(r, t)=t+ϕ(r, t) with Lagrangian Lτ=χτ 2(∂tϕ)2−c2 τ(∇ϕ)2−α ϕ ρ −β 2ϕ2Q. (1) Variation yields the field equation χτ¨ ϕ−χτc2 τ∇2ϕ=αρ +βϕQ. (2) The canonical momentum and Hamiltonian density are πϕ=χτ˙ ϕ, Hτ=π2 ϕ 2χτ +χτc2 τ 2(∇ϕ)2+αϕρ +β 2ϕ2Q. (3) Source choice and small-xreduction. We consider one temporal mode of ϕcoupled to a mechanical displacement x∝ ( b+b† ) and to a CTC occupation na = a†a . In the experiment, the CTC frequency depends on tilt θ and surface motion; thus we take ρ=na Ωm , Q =x2 θ2 0 ,(4) up to geometry factors absorbed below. 1 Expand the time field in the local coordinate as ϕ = κ1x + κ2x2 + O ( x3 ), and define the CTC instantaneous frequency shift as δωTC(t)=γ1ϕ(t)+γ2ϕ2(t).(5) ∗
[email protected] 1Constant prefactors can be reabsorbed into γ1,2defined later; we choose these scalings to render g1, g2with the experimental units.
2 Keeping to O(x2), the effective Hamiltonian reduces to Hτ≃ℏω0na+ℏΩmb†b+g1na(b+b†)+g2na(b+b†)2,(6) with the identifications g1=γ1κ1, g2=γ2κ2, κ1≈g1 γ1 , κ2≈g2 γ2 .(7) This matches the experimental form [2]. For numerics we parameterize γ1≈∂ωTC ∂θ θ0 , κ1≈∂θ ∂xx=0,(8) so that γ1κ1has units of Hz per x. a(CTC mode) b(mechanical) g1na(b+b†) g2na(b+b†)2 ϕ=κ1x+κ2x2 θ0tunes linear/quadratic weights FIG. 1: Schematic mapping between Chronos Hτ and experimental Hexp : ϕ couples CTC and mechanical modes via g1(linear) and g2(quadratic); bias θ0tunes relative strength. III. BACKACTION: EXPLICIT PERTURBATIVE DERIVATION Sketch of calculation. Start from the mechanical equation with effective force from Hτ: m¨x+γm˙x+mΩ2 mx=−∂Hτ ∂x .(9) Insert ϕ = κ1x + κ2x2 into Eq. (2), solve for ¨ ϕ to leading orders in x , and use πϕ = χτ˙ ϕ to relate work by ϕ to in-phase (spring) and quadrature (damping) corrections. Model x ( t ) = x0sin(Ωmt) with x0∝θmax . Substituting into Eq. (9) and keeping the fundamental harmonic yields the leading-order terms δΩm≃(g1θmax)2 χτΩm ,(10) δΓm≃g1g2 χτ θmax,(11) with the x2 0 scaling of δ Ω m explicit. These are direct analogs of radiation-pressure spring/damping in optomechanics [3,4]. Numerics and consistency. Using g1∼9.8–54 Hz/deg2,θmax ∼0.1◦, and Ωm≈12.5 Hz (Fig. 2), we have g1θmax ∼1 Hz to 5 Hz ⇒δΩm∼1–25 χτ×12.5Hz. To stay below the measured linewidth κ∼ 1 × 10 −2 s −1 , Chronos parameters must satisfy α2/χτ ( or 1 /χτ ) ≲ 10−4–10−3s−1, so δΩm≲10−2–10−1Hz, compatible with the data.
3 IV. ENERGY BALANCE AND LONGEVITY The Chronos energy density Eτ=χτ 2(˙ ϕ)2+c2 τ(∇ϕ)2+αϕρ +β 2ϕ2Q(12) gives, upon volume integration and neglecting boundary flux, d dtZEτdV ≈D˙ ϕ(αρ +βϕQ)E−χτD˙ ϕ¨ ϕE.(13) With ϕ≃κ1x0sin Ωmt,˙ ϕ≃κ1Ωmx0cos Ωmt, ¨ ϕ≃ −κ1Ω2 mx0sin Ωmt, so ˙ ϕ¨ ϕ=−1 2κ2 1Ω3 mx2 0.(14) Using the self-consistent CTC shift to set γ1, γ1≈∆ωTC ∆θ≈150 Hz 0.1◦≈1.5×103Hz/deg, and g1∼10–50 Hz/deg2gives κ1≈g1 γ1 ∼10–50 1500 deg−1≈10−2deg−1. With Ωm=2π×12.5 Hz and x0∼θmax ∼0.1◦, we find ˙ ϕ¨ ϕ∼ −10−3Hz2, which balances the source term ⟨˙ ϕ ( αρ + βϕQ ) ⟩ for χτ in the 10 3 –10 4 s Hz range—consistent with ∼ 10 8 coherent cycles (≈104s at 12.5 Hz). V. QUANTITATIVE COMPARISON (WITH NUMBERS) TABLE I: Experiment vs. Chronos (order-of-magnitude). Inputs: g1∼9.8–54 Hz/deg2,g2/g2 1∼10−2,θ0, θmax ∼0.1◦, Ωm≈12.5 Hz, Q∼65. Observable Experiment Chronos prediction Comment Sideband spacing ≈12.5 Hz (Fig. 1c) Ωm/2π≈12.5 Hz exact match CTC frequency shift ∼150 Hz (text/Fig. 3) γ1≈1500 Hz/deg, κ1≈10−2deg−1⇒δω ∼150 Hz consistent Linear coupling g1∼9.8–54 Hz/deg2(Fig. 3d) g1=γ1κ1identifies slope Quadratic coupling present at high tilt (Fig. 3d) g2=γ2κ2parity control Backaction stiffening κ∼1×10−2s−1(Methods) δΩm∼(g1θ)2 χτΩm≲10−2–10−1Hz needs α2/χτ≲10−3s−1 Transparency dip at θ≳0.15◦(Fig. 3e) odd-harmonics suppressed near κ1→0 parity switch (E2) VI. ALTERNATIVE INTERPRETATION AND COMPLEMENTARITY Standard optomechanics explains these features via dispersive/radiation-pressure coupling [ 3 – 5 ]. Chronos does not replace that account; it offers a unifying lens in which FM/sidebands/coupling hierarchies arise from dynamical time-field coupling. Related magnon-optomechanics in YIG [ 6 ] and clock systems [ 7 ] show analogous structures, reinforcing cross-platform scaling.
4 VII. FALSIFIABLE PREDICTIONS (WITH TARGETS) • E1 — Coupling-sum rule: R≡g2/g2 1≈β/α2 . With g2/g2 1∼ 10 −2 (from Fig. 3d), expect R∼ 10 −2– 10 −1deg−2 . Test: vary θ0; verify Rgeometry-independent. • E2 — Sideband parity switch: Bias near κ1→ 0 suppresses odd sidebands while even persist. Target: reduce n=1 sideband below −40 dB (cf. Fig. 1c) at the transparency tilt θ≈0.15◦(Fig. 3e). • E3 — Synchronization threshold: ∆Ω ∝α2 χτΩmθ2 max . With α2/χτ∼ 10 −3– 10 −2 s −1 and θmax ∼ 1 ◦ , predict ∆Ω∼10−3–10−2Hz (detectable). At θmax ∼0.1◦, ∆Ω∼10−5–10−4Hz. • E4 — Temporal echo: Split b→b1, b2 (weak coupling); predict echo at | Ω m1− Ω m2| with amplitude ∝χ−1 τ . Target: resolve echo in CTC phase with SNR>5 at the beat frequency. VIII. BROADER IMPLICATIONS AND FUTURE WORK Chronos anticipates similar structures in clocks [ 7 ], cavity/hybrid platforms [ 3 , 5 ], and driven time crystals [ 8 ]. Conceptually, it complements relational and shape-dynamics perspectives [ 10 – 12 ] by endowing time with a testable field degree. Future work: (i) finalize Figure 1 as a quantitative diagram; (ii) extend mapping into the single-quantum regime; (iii) execute E1/E2 tests and cross-check χτacross platforms. IX. CONCLUSION The continuous time-crystal optomechanical experiment is potentially consistent with the Chronos temporal-field framework. A canonical reduction reproduces the experimental Hamiltonian; backaction and energy-balance calculations align with observed scales; and quantitative, falsifiable targets can differentiate a purely geometric account from a dynamical time-field interpretation. ACKNOWLEDGEMENTS I thank J. M¨akinen et al. for making data and parameterizations accessible, and colleagues exploring time-structured dynamics for discussions. [1] Hall, M., The Chronos Principle: A First Principles Derivation of All Known Forces, Constants and Dimensions from Time Structure, Zenodo (2025). 10.5281/zenodo.16878947. [2] J. T. M¨akinen et al., “Continuous time crystal coupled to a mechanical mode as a cavity-optomechanics-like platform,” Nature Communications 16, 4673 (2025). 10.1038/s41467-025-64673-8. [3] M. Aspelmeyer, T. J. Kippenberg, and F. Marquardt, “Cavity optomechanics,” Rev. Mod. Phys. 86, 1391 (2014). [4] J. D. Teufel et al., “Sideband cooling of micromechanical motion to the quantum ground state,” Nature 475, 359–363 (2011). [5] J. Chan et al., “Laser cooling of a nanomechanical oscillator into its quantum ground state,” Nature 478, 89–92 (2011). 10.1038/nature10149. [6] X. Zhang, C.-L. Zou, L. Jiang, and H. X. Tang, “Cavity magnomechanics,” Nature Physics 11, 1027–1031 (2015). [7] A. D. Ludlow, M. M. Boyd, J. Ye, E. Peik, and P. O. Schmidt, “Optical atomic clocks,” Rev. Mod. Phys. 87, 637 (2015). [8] K. Sacha and J. Zakrzewski, “Time crystals: a review,” Rep. Prog. Phys. 81, 016401 (2018). [9] F. Wilczek, “Quantum Time Crystals,” Phys. Rev. Lett. 109, 160401 (2012). [10] C. Rovelli, “Time in quantum gravity: an hypothesis,” Phys. Rev. D 43, 442 (1991). [11] J. Barbour and T. Koslowski, “The shape dynamics approach to quantum gravity,” Found. Phys. 44, 58–79 (2014). [12] L. Smolin, “Time, measurement, and information loss in quantum cosmology,” in Conceptual Problems of Quantum Gravity, B. J. Hiley and F. D. Peat, eds. (1992). [13] S. Autti et al., “Observation of a time quasicrystal and its transition to a superfluid time crystal,” Nature Communications 11, 6010 (2020). 10.1038/s41467-020-14785-2.