Open research questions in Experimental and Theoretical Physics Studies
76 gap statements mined from Experimental and Theoretical Physics Studies papers in our 4.5M-paper local library, which holds 996 papers on the topic — drawn mostly from each paper's own stated research gap, future-work, challenge and limitation notes, and its abstract. The ones listed below are a selection still marked open; each names the study that raised it, with a DOI link where the paper has one.
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What the literature leaves open
The study assumes the Sun to have infinite mass, so that its motion can be neglected. The numerical model is limited to two-dimensional planetary motion. The study does not mention any other limitations.
The study suggests that future research can focus on extending the numerical model to three-dimensional planetary motion. The study suggests that future research can explore the application of the instructional analogy to other areas of physics.
With the data we obtained, we are unable to explain why the launch process loses approximately 30 % to 40 % of the elastically potential energy stored when the popper is compressed; this should be examined further in future work.
The lack of efficient methods for 2D animation simulation. The need for more realistic and efficient animation production methods.
Expression of Concern Notice: Research on 2D Animation Simulation Based on Artificial Intelligence and Biomechanical Modeling · 2026 · DOIIn contrast to metronomes, whose operation is limited by a finite energy reservoir (the spring-driven mechanism), the oscillations in the Koehler system can, in principle, be sustained for an arbitrarily long time under continuous driving, making it a potentially robust platform for studying synchronization phenomena.
Revisiting Koehler's experiment of measuring the ratio of the specific heats of air by self-sustained oscillations · 2026 · DOIThe paper states that classical physics lacks a holographic coordinating mechanism to manage molecular momentum exchange at finite scales. The paper states that classical models predict an instantaneous collapse of the flow field. The paper states that the lack of a stable bosonic denominator leads to divergence and instability.
Future research should investigate the application of Hamza's Information Physics to other areas of fluid dynamics. Future research should explore the development of new materials with unique properties using bosonic oil. Future research should examine the implications of the results for the design of fluid-based systems.
The lack of a fundamental understanding of dissipation in Newtonian mechanics. The limited understanding of the relationship between thermodynamics and classical mechanics. The need for a new framework that considers dissipation as a fundamental aspect.
The paper notes that actual molecular systems do not allow for continuous change of control parameters or preparation of states of interest. The paper aims to address this gap by using spinor BECs as an analog simulator.
The paper acknowledges that the approach may not be suitable for daily or weekly use due to the limited number of appropriate topics. The paper does not discuss the limitations of the methodology or the potential biases in the results.
The gap is the lack of emphasis on thinking and reasoning skills in physics education. The paper identifies the need for more focus on qualitative analysis in physics teaching.
The paper identifies a need for standardisation of throws to account for variables like gravity and height.
Previous research has focused on cognitive and affective outcomes, but not behavioral outcomes. There is a need for more research on the effectiveness of humanistic approaches to substance abuse prevention.
The paper highlights the need for a more accurate model of the shot-putter's motion.
Further research could involve collecting more data to improve the accuracy of the results. Further research could involve applying the approach to other areas of sports science.
The choice of function is limited. The resemblance between the histogram and the graph of the density function may not be apparent with small samples.
The need for a comprehensive understanding of the system's dynamics.
The experiment is limited by the initial placement state of the smartphone and the swinging motion caused when weights are hung, - The experiment is affected by the sensor resolution limits and the influence of initial leveling on zero-point accuracy, - The error analysis is subject to the cubic dependence on thickness h, - The experiment uses a specific type of smartphone and software, - The experiment is limited…
A Phyphox-Based Laboratory Framework for Engineering Mechanics Using Smartphone Sensors · 2026 · DOIFurther evaluation of the method's performance in various animation production contexts. Investigation of the method's potential in virtual reality and augmented reality applications. Development of more advanced methods for 2D animation simulation using artificial intelligence and biomechanical modeling.
Expression of Concern Notice: Research on 2D Animation Simulation Based on Artificial Intelligence and Biomechanical Modeling · 2026 · DOITo extend the analysis to nonlinear drag regimes. To apply the Aqueeq scaling law to more complex systems, such as systems with steering or gravity. To experimentally validate the law in various physics and engineering problems.
Investigating the effect of a slope on the model's behavior - Incorporating wheels' skid into the model - Analyzing the system's dynamics with nonholonomic…
Analysis and experiments of the dissipative Twistcar: direction reversal and asymptotic approximations · 2026 · DOIExperimental testing of the predicted dissipative contribution to the momentum - Investigation of the thermodynamic framework in other areas…
Further studies on the quantum phase transition from linear to bent molecular configurations, - Investigations on the scaling of the non-Gaussian sensitivity with the system size, - Research on the application of spinor BECs to other molecular…
The shortness of the chapters presents problems for contributors, - The lack of hard knowledge about the growth of awareness, - The difficulty of operationalising personal…
The use of a curved beam to modify the system's dynamics. The study of the system's dynamics and control. The application of the system to other control studies.
Most-cited papers in Experimental and Theoretical Physics Studies
- Distilling Free-Form Natural Laws from Experimental Data · Science · 2009 · 2,365 citations
- Students’ preconceptions in introductory mechanics · American Journal of Physics · 1982 · 765 citations
- Analysis of standing vertical jumps using a force platform · American Journal of Physics · 2001 · 609 citations
- Classical Mechanics, 3rd ed. · American Journal of Physics · 2002 · 337 citations
- Innovative Uses of Video Analysis · The Physics Teacher · 2009 · 242 citations
- Modeling games in the Newtonian World · American Journal of Physics · 1992 · 227 citations
- Investigation of student understanding of the concept of velocity in one dimension · American Journal of Physics · 1980 · 224 citations
- Investigation of student understanding of the concept of acceleration in one dimension · American Journal of Physics · 1981 · 210 citations
- A NEW ANALOGY BETWEEN MECHANICAL AND ELECTRICAL SYSTEMS · The Journal of the Acoustical Society of America · 1933 · 191 citations
- Computer simulations in physics teaching and learning: a case study on students' understanding of trajectory motion · Computers & Education · 2001 · 176 citations
Most recent work
- Rotating the Color Glass Condensate · Physical Review Letters · 2026
- An AI-supported classroom investigation of energy loss and the coefficient of restitution · Physics Education · 2026
- Contact loss on curvilinear surfaces: a video analysis study of the normal force · Physics Education · 2026
- A ripple tank made of Lego bricks for student experiments · Physics Education · 2026
- Modelling free-fall motion and vortex flows through the use of Tracker software: an inquiry-based teaching learning sequence · Physics Education · 2026
- Evaluating a department-wide initiative incorporating computational methods into the undergraduate physics curriculum · Physical Review Physics Education Research · 2026
- Teaching-oriented modeling and numerical demonstration of Newton's law of gravitation · Frontiers in Applied Mathematics and Statistics · 2026
- The study of the motion of bodies in a non-inertial reference frame · Physics Education · 2026
- Variable-mass dynamics made explicit: A rotating falling-chain test case · European Journal of Physics · 2026
- Bifurcation and spontaneous symmetry breaking in a rotating pendulum: A classical analogy to the Higgs mechanism · European Journal of Physics · 2026
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